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Differentiating Trig
Differentiating Trig
lim sin x  0
x 0
Differentiating Trig
lim sin x  0
x 0

lim cos x  1
x 0
Differentiating Trig
lim sin x  0
x 0

lim cos x  1
x 0

lim tan x  0
x 0
Differentiating Trig
lim sin x  0           Area Sector OAC
x 0

lim cos x  1
x 0

lim tan x  0
x 0



                C


            x
        O           A
                1
Differentiating Trig
lim sin x  0       Area AOC  Area Sector OAC
x 0

lim cos x  1
x 0

lim tan x  0
x 0



                C

            x       A
        O       1
Differentiating Trig
lim sin x  0
x 0
                        Area AOC  Area Sector OAC  Area AOB
lim cos x  1
x 0

lim tan x  0       B
x 0



                C
                    tan x



            x       A
        O       1
Differentiating Trig
lim sin x  0
x 0
                        Area AOC  Area Sector OAC  Area AOB
                              1               1 2     1
lim cos x  1
x 0
                                11 sin x  1 x  1 tan x
                              2               2       2
lim tan x  0       B
x 0



                C
                    tan x



            x       A
        O       1
Differentiating Trig
lim sin x  0
x 0
                      Area AOC  Area Sector OAC  Area AOB
                            1                1 2       1
lim cos x  1
x 0
                              11 sin x  1 x  1 tan x
                            2                2         2
lim tan x  0       B                      sin x  x  tan x
x 0



                C
                    tan x



            x       A
        O       1
Differentiating Trig
lim sin x  0
x 0
                      Area AOC  Area Sector OAC  Area AOB
                            1                1 2       1
lim cos x  1
x 0
                              11 sin x  1 x  1 tan x
                            2                2         2
lim tan x  0       B                      sin x  x  tan x
x 0
                                         sin x     x     tan x
                                                      
                                         sin x sin x sin x
                C
                    tan x



            x       A
        O       1
Differentiating Trig
lim sin x  0
x 0
                      Area AOC  Area Sector OAC  Area AOB
                            1                1 2       1
lim cos x  1
x 0
                              11 sin x  1 x  1 tan x
                            2                2         2
lim tan x  0       B                      sin x  x  tan x
x 0
                                         sin x     x     tan x
                                                      
                                         sin x sin x sin x
                C
                    tan x
                                                   x       1
                                             1        
                                                 sin x cos x
            x       A
        O       1
Differentiating Trig
lim sin x  0
x 0
                      Area AOC  Area Sector OAC  Area AOB
                            1                1 2        1
lim cos x  1
x 0
                              11 sin x  1 x  1 tan x
                            2                2          2
lim tan x  0       B                      sin x  x  tan x
x 0
                                         sin x      x     tan x
                                                       
                                         sin x sin x sin x
                C
                    tan x
                                                    x       1
                                             1         
                                                 sin x cos x
            x       A                         as x  0
        O       1                                   x
                                              1        1
                                                  sin x
Differentiating Trig
lim sin x  0
x 0
                      Area AOC  Area Sector OAC  Area AOB
                            1                1 2        1
lim cos x  1
x 0
                              11 sin x  1 x  1 tan x
                            2                2          2
lim tan x  0       B                      sin x  x  tan x
x 0
                                         sin x      x     tan x
                                                       
                                         sin x sin x sin x
                C
                    tan x
                                                    x       1
                                             1         
                                                 sin x cos x
            x       A                         as x  0
        O       1                                   x
                                              1        1
                                                  sin x
                                               x
                                        lim        1
                                        x 0 sin x
5x
e.g. i  lim
         x 0 sin 5 x
5x
e.g. i  lim         1
         x 0 sin 5 x
5x
e.g. i  lim         1   ii  lim
                                         x
         x 0 sin 5 x            x 0 sin 3 x
5x
e.g. i  lim         1   ii  lim
                                         x
                                               lim 
                                                     1 3x
         x 0 sin 5 x            x 0 sin 3 x   x 0 3 sin 3 x
5x
e.g. i  lim         1   ii  lim
                                         x
                                               lim 
                                                     1 3x
         x 0 sin 5 x            x 0 sin 3 x   x 0 3 sin 3 x

                                                1
                                              
                                                3
5x
 e.g. i  lim        1   ii  lim
                                         x
                                               lim 
                                                     1 3x
         x 0 sin 5 x            x 0 sin 3 x   x 0 3 sin 3 x

y  sin x                                       1
                                              
                                                3
5x
 e.g. i  lim        1            ii  lim
                                                  x
                                                        lim 
                                                              1 3x
         x 0 sin 5 x                     x 0 sin 3 x   x 0 3 sin 3 x

y  sin x                                                1
                                                       
     dy       sin  x  h   sin x                      3
         lim
     dx x 0            h
5x
 e.g. i  lim        1              ii  lim
                                                    x
                                                          lim 
                                                                1 3x
         x 0 sin 5 x                       x 0 sin 3 x   x 0 3 sin 3 x

y  sin x                                                  1
                                                         
     dy         sin  x  h   sin x                      3
         lim
     dx x 0              h
                sin x cosh  cos x sinh  sin x
         lim
           x 0                   h
5x
 e.g. i  lim        1                ii  lim
                                                      x
                                                            lim 
                                                                  1 3x
         x 0 sin 5 x                         x 0 sin 3 x   x 0 3 sin 3 x

y  sin x                                                    1
                                                           
     dy         sin  x  h   sin x                        3
         lim
     dx x 0               h
                sin x cosh  cos x sinh  sin x
         lim
           x 0                   h
                                           cosh  1 
         lim cos x
                          sinh 
                                sin x            
           x 0          h              h 
5x
 e.g. i  lim        1                ii  lim
                                                      x
                                                             lim 
                                                                   1 3x
         x 0 sin 5 x                         x 0 sin 3 x    x 0 3 sin 3 x

y  sin x                                                     1
                                                            
     dy         sin  x  h   sin x                         3
         lim
     dx x 0               h
                 sin x cosh  cos x sinh  sin x
         lim
           x 0                   h
                                           cosh  1 
         lim cos x
                          sinh 
                                sin x            
           x 0          h              h 
                                                    h     
                                           2 cos 2  2 
                          sinh                    2
          lim cos x            sin x                   
             x 0         h             
                                          
                                                   h       
                                                           
                                                          
5x
 e.g. i  lim        1                ii  lim
                                                      x
                                                             lim 
                                                                   1 3x
         x 0 sin 5 x                         x 0 sin 3 x    x 0 3 sin 3 x

y  sin x                                                     1
                                                            
     dy         sin  x  h   sin x                         3
         lim
     dx x 0               h
                 sin x cosh  cos x sinh  sin x
         lim
           x 0                   h
                                           cosh  1 
         lim cos x
                          sinh 
                                sin x            
           x 0          h              h 
                                                    h     
                                           2 cos 2  2 
                          sinh                    2      cos 2  2 cos 2   1
          lim cos x            sin x
             x 0         h             
                                          
                                                   h       
                                                           
                                                          
5x
 e.g. i  lim        1                ii  lim
                                                      x
                                                             lim 
                                                                   1 3x
         x 0 sin 5 x                         x 0 sin 3 x    x 0 3 sin 3 x

y  sin x                                                     1
                                                            
     dy         sin  x  h   sin x                         3
         lim
     dx x 0               h
                 sin x cosh  cos x sinh  sin x
         lim
           x 0                   h
                                           cosh  1 
         lim cos x
                          sinh 
                                sin x            
           x 0          h              h 
                                                    h     
                                           2 cos 2  2 
                          sinh                    2      cos 2  2 cos 2   1
          lim cos x            sin x
             x 0         h             
                                          
                                                   h       
                                                           
                                                          
                                                  2 h
                          sinh          2 sin 
          lim cos x            sin x             2
             x 0         h              h 
                                                      
                                                      
 2 h
                            sin 
 lim cos x
             sinh 
                   sin x h 2 
  x 0      h            
                                
                                 
                            2 
 2 h
                            sin 
 lim cos x
             sinh 
                   sin x h 2 
   x 0     h            
                                  
                                   
                            2 
                                h    
            sinh         sin
                                     h
 lim cos x       sin x h 2  sin 
  x 0      h            
                           
                                     2
                                      
                            2        
 2 h
                              sin 
 lim cos x
              sinh 
                     sin x h 2 
   x 0      h             
                                    
                                     
                              2 
                                  h    
             sinh          sin
                                       h
 lim cos x         sin x h 2  sin 
  x 0       h             
                             
                                       2
                                        
                              2        
 cos x 1  sin x 0 
 2 h
                              sin 
 lim cos x
              sinh 
                     sin x h 2 
   x 0      h             
                                    
                                     
                              2 
                                  h    
             sinh          sin
                                       h
 lim cos x         sin x h 2  sin 
  x 0       h             
                             
                                       2
                                        
                              2        
 cos x 1  sin x 0 
 cos x
 2 h
             sinh           sin 
                                     2
 lim cos x          sin x h 
   x 0      h             
                                      
                                       
                              2 
                                  h      
             sinh           sin
                                         h
                                   2
 lim cos x          sin x h  sin 
  x 0       h             
                             
                                         2
                                          
                              2             y  sin f  x 
 cos x 1  sin x 0 
 cos x
 2 h
                              sin 
 lim cos x
              sinh                  2
                     sin x h 
   x 0      h             
                                      
                                       
                              2 
                                  h      
                                        h
                               sin
             sinh               2
 lim cos x         sin x h  sin 
  x 0       h             
                             
                                         2
                                          
                              2              y  sin f  x 
 cos x 1  sin x 0                   dy
                                                  f  x  cos f  x 
                                              dx
 cos x
 2 h
                                sin 
   lim cos x
                sinh                  2
                       sin x h 
     x 0      h             
                                        
                                         
                                2 
                                    h      
                                          h
                                 sin
               sinh               2
   lim cos x         sin x h  sin 
    x 0       h             
                               
                                           2
                                            
                                2              y  sin f  x 
   cos x 1  sin x 0                   dy
                                                    f  x  cos f  x 
                                                dx
   cos x
y  cos x
 2 h
                                sin 
   lim cos x
                sinh                  2
                       sin x h 
     x 0      h             
                                        
                                         
                                2 
                                    h      
                                          h
                                 sin
               sinh               2
   lim cos x         sin x h  sin 
    x 0       h             
                               
                                           2
                                            
                                2              y  sin f  x 
   cos x 1  sin x 0                   dy
                                                    f  x  cos f  x 
                                                dx
   cos x
y  cos x
          
y  sin   x 
             
        2    
 2 h
                                 sin 
    lim cos x
                 sinh                  2
                        sin x h 
      x 0      h             
                                         
                                          
                                 2 
                                     h      
                                           h
                                  sin
                sinh               2
    lim cos x         sin x h  sin 
     x 0       h             
                                
                                            2
                                             
                                 2              y  sin f  x 
    cos x 1  sin x 0                   dy
                                                     f  x  cos f  x 
                                                 dx
    cos x
y  cos x
           
 y  sin   x 
                
         2      
               
     cos  x 
dy
                  
dx           2    
 2 h
                                 sin 
    lim cos x
                 sinh                  2
                        sin x h 
      x 0      h             
                                         
                                          
                                 2 
                                     h      
                                           h
                                  sin
                sinh               2
    lim cos x         sin x h  sin 
     x 0       h             
                                
                                            2
                                             
                                 2              y  sin f  x 
    cos x 1  sin x 0                   dy
                                                     f  x  cos f  x 
                                                 dx
    cos x
y  cos x
           
 y  sin   x 
                
         2      
               
     cos  x 
dy
                  
dx           2    
     sin x
 2 h
                                 sin 
    lim cos x
                 sinh                  2
                        sin x h 
      x 0      h             
                                         
                                          
                                 2 
                                     h      
                                           h
                                  sin
                sinh               2
    lim cos x         sin x h  sin 
     x 0       h             
                                
                                            2
                                             
                                 2              y  sin f  x 
    cos x 1  sin x 0                   dy
                                                     f  x  cos f  x 
                                                 dx
    cos x
y  cos x
           
 y  sin   x 
                
         2                                       y  cos f  x 
               
     cos  x 
dy
                  
dx           2    
     sin x
 2 h
                                 sin 
    lim cos x
                 sinh                  2
                        sin x h 
      x 0      h             
                                         
                                          
                                 2 
                                     h      
                                           h
                                  sin
                sinh               2
    lim cos x         sin x h  sin 
     x 0       h             
                                
                                            2
                                             
                                 2              y  sin f  x 
    cos x 1  sin x 0                   dy
                                                     f  x  cos f  x 
                                                 dx
    cos x
y  cos x
           
 y  sin   x 
                
         2                                      y  cos f  x 
               
     cos  x 
                                                 dy
                                                      f  x  sin f  x 
dy
                  
dx           2                                 dx
     sin x
y  tan x
y  tan x
     sin x
y
     cos x
y  tan x
     sin x
 y
     cos x
dy cos x cos x   sin x  sin x 
   
dx                 cos 2 x
     cos 2 x  sin 2 x
   
          cos 2 x
y  tan x
     sin x
 y
     cos x
dy cos x cos x   sin x  sin x 
   
dx                 cos 2 x
     cos 2 x  sin 2 x
   
          cos 2 x
       1
   
     cos 2 x
    sec 2 x
y  tan x
     sin x
 y
     cos x
dy cos x cos x   sin x  sin x 
   
dx                 cos 2 x
     cos 2 x  sin 2 x
   
          cos 2 x
       1
   
     cos 2 x
    sec 2 x

      y  tan f  x 
y  tan x
     sin x
 y
     cos x
dy cos x cos x   sin x  sin x 
   
dx                 cos 2 x
     cos 2 x  sin 2 x
   
          cos 2 x
       1
   
     cos 2 x
    sec 2 x

     y  tan f  x 
    dy
        f  x  sec 2 f  x 
    dx
y  tan x                                 e.g. i  y  sin x 3
     sin x
 y
     cos x
dy cos x cos x   sin x  sin x 
   
dx                 cos 2 x
     cos 2 x  sin 2 x
   
          cos 2 x
       1
   
     cos 2 x
    sec 2 x

     y  tan f  x 
    dy
        f  x  sec 2 f  x 
    dx
y  tan x                                 e.g. i  y  sin x 3
                                                   dy
     sin x                                              3 x 2 cos x 3
 y                                                dx
     cos x
dy cos x cos x   sin x  sin x 
   
dx                 cos 2 x
     cos 2 x  sin 2 x
   
          cos 2 x
       1
   
     cos 2 x
    sec 2 x

     y  tan f  x 
    dy
        f  x  sec 2 f  x 
    dx
y  tan x                                 e.g. i  y  sin x 3
                                                   dy
     sin x                                              3 x 2 cos x 3
 y                                                dx
     cos x
dy cos x cos x   sin x  sin x                        1
                                              ii  y  tan
dx                 cos 2 x                                     x
     cos 2 x  sin 2 x
   
          cos 2 x
       1
   
     cos 2 x
    sec 2 x

     y  tan f  x 
    dy
        f  x  sec 2 f  x 
    dx
y  tan x                                 e.g. i  y  sin x 3
                                                   dy
     sin x                                              3 x 2 cos x 3
 y                                                dx
     cos x
dy cos x cos x   sin x  sin x                    1
                                              ii  y  tan
dx                 cos 2 x                                 x
                                                  dy     1       1
     cos 2 x  sin 2 x                                 2 sec 2
                                                 dx    x        x
          cos 2 x
       1
   
     cos 2 x
    sec 2 x

     y  tan f  x 
    dy
        f  x  sec 2 f  x 
    dx
y  tan x                                  e.g. i  y  sin x 3
                                                    dy
     sin x                                               3 x 2 cos x 3
 y                                                 dx
     cos x
dy cos x cos x   sin x  sin x                       1
                                               ii  y  tan
dx               cos 2 x                                      x
                                                   dy       1       1
     cos x  sin x
          2      2
                                                          2 sec 2
             2                                    dx       x       x
           cos x
   
       1                     iii  y  log cos x
     cos 2 x
    sec 2 x

     y  tan f  x 
    dy
        f  x  sec 2 f  x 
    dx
y  tan x                                  e.g. i  y  sin x 3
                                                    dy
     sin x                                               3 x 2 cos x 3
 y                                                 dx
     cos x
dy cos x cos x   sin x  sin x                       1
                                               ii  y  tan
dx              cos 2 x                                       x
                                                   dy       1       1
     cos x  sin x
         2      2
                                                          2 sec 2
            2                                     dx       x       x
          cos x
   
       1                     iii  y  log cos x
     cos 2 x                      dy  sin x
                                      
    sec x
        2
                                  dx cos x


     y  tan f  x 
    dy
        f  x  sec 2 f  x 
    dx
y  tan x                                  e.g. i  y  sin x 3
                                                    dy
     sin x                                               3 x 2 cos x 3
 y                                                 dx
     cos x
dy cos x cos x   sin x  sin x                       1
                                               ii  y  tan
dx              cos 2 x                                       x
                                                   dy       1       1
     cos x  sin x
         2      2
                                                          2 sec 2
            2                                     dx       x       x
          cos x
   
       1                     iii  y  log cos x
     cos 2 x                      dy  sin x
                                      
    sec x
        2
                                  dx cos x
                                        tan x
     y  tan f  x 
    dy
        f  x  sec 2 f  x 
    dx
y  tan x                                 e.g. i  y  sin x 3
                                                   dy
     sin x                                              3 x 2 cos x 3
 y                                                dx
     cos x
dy cos x cos x   sin x  sin x                       1
                                               ii  y  tan
dx              cos 2 x                                       x
                                                   dy       1       1
     cos x  sin x
         2      2
                                                          2 sec 2
            2                                     dx       x       x
          cos x
   
       1                     iii  y  log cos x iv  y  tan 5 x
     cos 2 x                      dy  sin x
                                      
    sec x
        2
                                  dx cos x
                                        tan x
     y  tan f  x 
    dy
        f  x  sec 2 f  x 
    dx
y  tan x                                  e.g. i  y  sin x 3
                                                    dy
     sin x                                               3 x 2 cos x 3
 y                                                 dx
     cos x
dy cos x cos x   sin x  sin x                       1
                                               ii  y  tan
dx               cos 2 x                                      x
                                                   dy       1       1
     cos x  sin x
          2      2
                                                          2 sec 2
             2                                    dx       x       x
           cos x
   
       1                     iii  y  log cos x iv  y  tan 5 x
     cos 2 x                      dy  sin x               dy
                                                              5 tan 4 x sec 2 x
    sec 2 x                      dx cos x                 dx
                                        tan x
     y  tan f  x 
    dy
        f  x  sec 2 f  x 
    dx
y  tan x                                  e.g. i  y  sin x 3
                                                    dy
     sin x                                               3 x 2 cos x 3
 y                                                 dx
     cos x
dy cos x cos x   sin x  sin x                       1
                                               ii  y  tan
dx               cos 2 x                                      x
                                                   dy       1       1
     cos x  sin x
          2      2
                                                          2 sec 2
             2                                    dx       x       x
           cos x
   
       1                     iii  y  log cos x iv  y  tan 5 x
     cos 2 x                      dy  sin x               dy
                                                              5 tan 4 x sec 2 x
    sec 2 x                      dx cos x                 dx
                                        tan x
     y  tan f  x                            v  y  cos e x
    dy
        f  x  sec 2 f  x 
    dx
y  tan x                                  e.g. i  y  sin x 3
                                                    dy
     sin x                                               3 x 2 cos x 3
 y                                                 dx
     cos x
dy cos x cos x   sin x  sin x                       1
                                               ii  y  tan
dx               cos 2 x                                      x
                                                   dy       1       1
     cos x  sin x
          2      2
                                                          2 sec 2
             2                                    dx       x       x
           cos x
   
       1                     iii  y  log cos x iv  y  tan 5 x
     cos 2 x                      dy  sin x               dy
                                                              5 tan 4 x sec 2 x
    sec 2 x                      dx cos x                 dx
                                        tan x
     y  tan f  x                            v  y  cos e x
    dy
        f  x  sec 2 f  x                    dy
    dx                                                e x sin e x
                                                  dx
Exercise 14F; 2, 4, 5

Exercise 14G; 2ace etc, 3ace etc, 5ace etc, 6, 7ab(i), 8, 12, 13c, 16a*

              Exercise 14H; 2 ac, 4bd, 6, 8, 14, 17, 20

Contenu connexe

Plus de Nigel Simmons

11 x1 t01 01 algebra & indices (2014)
11 x1 t01 01 algebra & indices (2014)11 x1 t01 01 algebra & indices (2014)
11 x1 t01 01 algebra & indices (2014)Nigel Simmons
 
12 x1 t01 03 integrating derivative on function (2013)
12 x1 t01 03 integrating derivative on function (2013)12 x1 t01 03 integrating derivative on function (2013)
12 x1 t01 03 integrating derivative on function (2013)Nigel Simmons
 
12 x1 t01 02 differentiating logs (2013)
12 x1 t01 02 differentiating logs (2013)12 x1 t01 02 differentiating logs (2013)
12 x1 t01 02 differentiating logs (2013)Nigel Simmons
 
12 x1 t01 01 log laws (2013)
12 x1 t01 01 log laws (2013)12 x1 t01 01 log laws (2013)
12 x1 t01 01 log laws (2013)Nigel Simmons
 
X2 t02 04 forming polynomials (2013)
X2 t02 04 forming polynomials (2013)X2 t02 04 forming polynomials (2013)
X2 t02 04 forming polynomials (2013)Nigel Simmons
 
X2 t02 03 roots & coefficients (2013)
X2 t02 03 roots & coefficients (2013)X2 t02 03 roots & coefficients (2013)
X2 t02 03 roots & coefficients (2013)Nigel Simmons
 
X2 t02 02 multiple roots (2013)
X2 t02 02 multiple roots (2013)X2 t02 02 multiple roots (2013)
X2 t02 02 multiple roots (2013)Nigel Simmons
 
X2 t02 01 factorising complex expressions (2013)
X2 t02 01 factorising complex expressions (2013)X2 t02 01 factorising complex expressions (2013)
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11 x1 t16 07 approximations (2013)
11 x1 t16 07 approximations (2013)11 x1 t16 07 approximations (2013)
11 x1 t16 07 approximations (2013)Nigel Simmons
 
11 x1 t16 06 derivative times function (2013)
11 x1 t16 06 derivative times function (2013)11 x1 t16 06 derivative times function (2013)
11 x1 t16 06 derivative times function (2013)Nigel Simmons
 
11 x1 t16 05 volumes (2013)
11 x1 t16 05 volumes (2013)11 x1 t16 05 volumes (2013)
11 x1 t16 05 volumes (2013)Nigel Simmons
 
11 x1 t16 04 areas (2013)
11 x1 t16 04 areas (2013)11 x1 t16 04 areas (2013)
11 x1 t16 04 areas (2013)Nigel Simmons
 
11 x1 t16 03 indefinite integral (2013)
11 x1 t16 03 indefinite integral (2013)11 x1 t16 03 indefinite integral (2013)
11 x1 t16 03 indefinite integral (2013)Nigel Simmons
 
11 x1 t16 02 definite integral (2013)
11 x1 t16 02 definite integral (2013)11 x1 t16 02 definite integral (2013)
11 x1 t16 02 definite integral (2013)Nigel Simmons
 
11 x1 t16 01 area under curve (2013)
11 x1 t16 01 area under curve (2013)11 x1 t16 01 area under curve (2013)
11 x1 t16 01 area under curve (2013)Nigel Simmons
 
X2 t01 11 nth roots of unity (2012)
X2 t01 11 nth roots of unity (2012)X2 t01 11 nth roots of unity (2012)
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X2 t01 10 complex & trig (2013)
X2 t01 10 complex & trig (2013)X2 t01 10 complex & trig (2013)
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X2 t01 09 de moivres theorem
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X2 t01 08 locus & complex nos 2 (2013)
X2 t01 08  locus & complex nos 2 (2013)X2 t01 08  locus & complex nos 2 (2013)
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X2 t01 07 locus & complex nos 1 (2013)
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X2 t01 07 locus & complex nos 1 (2013)Nigel Simmons
 

Plus de Nigel Simmons (20)

11 x1 t01 01 algebra & indices (2014)
11 x1 t01 01 algebra & indices (2014)11 x1 t01 01 algebra & indices (2014)
11 x1 t01 01 algebra & indices (2014)
 
12 x1 t01 03 integrating derivative on function (2013)
12 x1 t01 03 integrating derivative on function (2013)12 x1 t01 03 integrating derivative on function (2013)
12 x1 t01 03 integrating derivative on function (2013)
 
12 x1 t01 02 differentiating logs (2013)
12 x1 t01 02 differentiating logs (2013)12 x1 t01 02 differentiating logs (2013)
12 x1 t01 02 differentiating logs (2013)
 
12 x1 t01 01 log laws (2013)
12 x1 t01 01 log laws (2013)12 x1 t01 01 log laws (2013)
12 x1 t01 01 log laws (2013)
 
X2 t02 04 forming polynomials (2013)
X2 t02 04 forming polynomials (2013)X2 t02 04 forming polynomials (2013)
X2 t02 04 forming polynomials (2013)
 
X2 t02 03 roots & coefficients (2013)
X2 t02 03 roots & coefficients (2013)X2 t02 03 roots & coefficients (2013)
X2 t02 03 roots & coefficients (2013)
 
X2 t02 02 multiple roots (2013)
X2 t02 02 multiple roots (2013)X2 t02 02 multiple roots (2013)
X2 t02 02 multiple roots (2013)
 
X2 t02 01 factorising complex expressions (2013)
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X2 t02 01 factorising complex expressions (2013)
 
11 x1 t16 07 approximations (2013)
11 x1 t16 07 approximations (2013)11 x1 t16 07 approximations (2013)
11 x1 t16 07 approximations (2013)
 
11 x1 t16 06 derivative times function (2013)
11 x1 t16 06 derivative times function (2013)11 x1 t16 06 derivative times function (2013)
11 x1 t16 06 derivative times function (2013)
 
11 x1 t16 05 volumes (2013)
11 x1 t16 05 volumes (2013)11 x1 t16 05 volumes (2013)
11 x1 t16 05 volumes (2013)
 
11 x1 t16 04 areas (2013)
11 x1 t16 04 areas (2013)11 x1 t16 04 areas (2013)
11 x1 t16 04 areas (2013)
 
11 x1 t16 03 indefinite integral (2013)
11 x1 t16 03 indefinite integral (2013)11 x1 t16 03 indefinite integral (2013)
11 x1 t16 03 indefinite integral (2013)
 
11 x1 t16 02 definite integral (2013)
11 x1 t16 02 definite integral (2013)11 x1 t16 02 definite integral (2013)
11 x1 t16 02 definite integral (2013)
 
11 x1 t16 01 area under curve (2013)
11 x1 t16 01 area under curve (2013)11 x1 t16 01 area under curve (2013)
11 x1 t16 01 area under curve (2013)
 
X2 t01 11 nth roots of unity (2012)
X2 t01 11 nth roots of unity (2012)X2 t01 11 nth roots of unity (2012)
X2 t01 11 nth roots of unity (2012)
 
X2 t01 10 complex & trig (2013)
X2 t01 10 complex & trig (2013)X2 t01 10 complex & trig (2013)
X2 t01 10 complex & trig (2013)
 
X2 t01 09 de moivres theorem
X2 t01 09 de moivres theoremX2 t01 09 de moivres theorem
X2 t01 09 de moivres theorem
 
X2 t01 08 locus & complex nos 2 (2013)
X2 t01 08  locus & complex nos 2 (2013)X2 t01 08  locus & complex nos 2 (2013)
X2 t01 08 locus & complex nos 2 (2013)
 
X2 t01 07 locus & complex nos 1 (2013)
X2 t01 07 locus & complex nos 1 (2013)X2 t01 07 locus & complex nos 1 (2013)
X2 t01 07 locus & complex nos 1 (2013)
 

12 x1 t03 03 differentiating trig (2012)

  • 3. Differentiating Trig lim sin x  0 x 0 lim cos x  1 x 0
  • 4. Differentiating Trig lim sin x  0 x 0 lim cos x  1 x 0 lim tan x  0 x 0
  • 5. Differentiating Trig lim sin x  0 Area Sector OAC x 0 lim cos x  1 x 0 lim tan x  0 x 0 C x O A 1
  • 6. Differentiating Trig lim sin x  0 Area AOC  Area Sector OAC x 0 lim cos x  1 x 0 lim tan x  0 x 0 C x A O 1
  • 7. Differentiating Trig lim sin x  0 x 0 Area AOC  Area Sector OAC  Area AOB lim cos x  1 x 0 lim tan x  0 B x 0 C tan x x A O 1
  • 8. Differentiating Trig lim sin x  0 x 0 Area AOC  Area Sector OAC  Area AOB 1 1 2 1 lim cos x  1 x 0 11 sin x  1 x  1 tan x 2 2 2 lim tan x  0 B x 0 C tan x x A O 1
  • 9. Differentiating Trig lim sin x  0 x 0 Area AOC  Area Sector OAC  Area AOB 1 1 2 1 lim cos x  1 x 0 11 sin x  1 x  1 tan x 2 2 2 lim tan x  0 B sin x  x  tan x x 0 C tan x x A O 1
  • 10. Differentiating Trig lim sin x  0 x 0 Area AOC  Area Sector OAC  Area AOB 1 1 2 1 lim cos x  1 x 0 11 sin x  1 x  1 tan x 2 2 2 lim tan x  0 B sin x  x  tan x x 0 sin x x tan x   sin x sin x sin x C tan x x A O 1
  • 11. Differentiating Trig lim sin x  0 x 0 Area AOC  Area Sector OAC  Area AOB 1 1 2 1 lim cos x  1 x 0 11 sin x  1 x  1 tan x 2 2 2 lim tan x  0 B sin x  x  tan x x 0 sin x x tan x   sin x sin x sin x C tan x x 1 1  sin x cos x x A O 1
  • 12. Differentiating Trig lim sin x  0 x 0 Area AOC  Area Sector OAC  Area AOB 1 1 2 1 lim cos x  1 x 0 11 sin x  1 x  1 tan x 2 2 2 lim tan x  0 B sin x  x  tan x x 0 sin x x tan x   sin x sin x sin x C tan x x 1 1  sin x cos x x A as x  0 O 1 x 1 1 sin x
  • 13. Differentiating Trig lim sin x  0 x 0 Area AOC  Area Sector OAC  Area AOB 1 1 2 1 lim cos x  1 x 0 11 sin x  1 x  1 tan x 2 2 2 lim tan x  0 B sin x  x  tan x x 0 sin x x tan x   sin x sin x sin x C tan x x 1 1  sin x cos x x A as x  0 O 1 x 1 1 sin x x lim 1 x 0 sin x
  • 14. 5x e.g. i  lim x 0 sin 5 x
  • 15. 5x e.g. i  lim 1 x 0 sin 5 x
  • 16. 5x e.g. i  lim 1 ii  lim x x 0 sin 5 x x 0 sin 3 x
  • 17. 5x e.g. i  lim 1 ii  lim x  lim  1 3x x 0 sin 5 x x 0 sin 3 x x 0 3 sin 3 x
  • 18. 5x e.g. i  lim 1 ii  lim x  lim  1 3x x 0 sin 5 x x 0 sin 3 x x 0 3 sin 3 x 1  3
  • 19. 5x e.g. i  lim 1 ii  lim x  lim  1 3x x 0 sin 5 x x 0 sin 3 x x 0 3 sin 3 x y  sin x 1  3
  • 20. 5x e.g. i  lim 1 ii  lim x  lim  1 3x x 0 sin 5 x x 0 sin 3 x x 0 3 sin 3 x y  sin x 1  dy sin  x  h   sin x 3  lim dx x 0 h
  • 21. 5x e.g. i  lim 1 ii  lim x  lim  1 3x x 0 sin 5 x x 0 sin 3 x x 0 3 sin 3 x y  sin x 1  dy sin  x  h   sin x 3  lim dx x 0 h sin x cosh  cos x sinh  sin x  lim x 0 h
  • 22. 5x e.g. i  lim 1 ii  lim x  lim  1 3x x 0 sin 5 x x 0 sin 3 x x 0 3 sin 3 x y  sin x 1  dy sin  x  h   sin x 3  lim dx x 0 h sin x cosh  cos x sinh  sin x  lim x 0 h cosh  1   lim cos x sinh     sin x  x 0  h   h 
  • 23. 5x e.g. i  lim 1 ii  lim x  lim  1 3x x 0 sin 5 x x 0 sin 3 x x 0 3 sin 3 x y  sin x 1  dy sin  x  h   sin x 3  lim dx x 0 h sin x cosh  cos x sinh  sin x  lim x 0 h cosh  1   lim cos x sinh     sin x  x 0  h   h   h   2 cos 2  2   sinh   2  lim cos x  sin x  x 0  h    h    
  • 24. 5x e.g. i  lim 1 ii  lim x  lim  1 3x x 0 sin 5 x x 0 sin 3 x x 0 3 sin 3 x y  sin x 1  dy sin  x  h   sin x 3  lim dx x 0 h sin x cosh  cos x sinh  sin x  lim x 0 h cosh  1   lim cos x sinh     sin x  x 0  h   h   h   2 cos 2  2   sinh   2  cos 2  2 cos 2   1  lim cos x  sin x x 0  h    h    
  • 25. 5x e.g. i  lim 1 ii  lim x  lim  1 3x x 0 sin 5 x x 0 sin 3 x x 0 3 sin 3 x y  sin x 1  dy sin  x  h   sin x 3  lim dx x 0 h sin x cosh  cos x sinh  sin x  lim x 0 h cosh  1   lim cos x sinh     sin x  x 0  h   h   h   2 cos 2  2   sinh   2  cos 2  2 cos 2   1  lim cos x  sin x x 0  h    h      2 h  sinh    2 sin   lim cos x  sin x 2 x 0  h   h     
  • 26.  2 h  sin   lim cos x sinh     sin x h 2  x 0  h       2 
  • 27.  2 h  sin   lim cos x sinh     sin x h 2  x 0  h       2   h   sinh    sin h  lim cos x  sin x h 2  sin  x 0  h    2   2 
  • 28.  2 h  sin   lim cos x sinh     sin x h 2  x 0  h       2   h   sinh    sin h  lim cos x  sin x h 2  sin  x 0  h    2   2   cos x 1  sin x 0 
  • 29.  2 h  sin   lim cos x sinh     sin x h 2  x 0  h       2   h   sinh    sin h  lim cos x  sin x h 2  sin  x 0  h    2   2   cos x 1  sin x 0   cos x
  • 30.  2 h  sinh   sin  2  lim cos x   sin x h  x 0  h       2   h   sinh   sin h 2  lim cos x   sin x h  sin  x 0  h    2   2  y  sin f  x   cos x 1  sin x 0   cos x
  • 31.  2 h  sin   lim cos x sinh  2    sin x h  x 0  h       2   h   h sin  sinh   2  lim cos x  sin x h  sin  x 0  h    2   2  y  sin f  x   cos x 1  sin x 0  dy  f  x  cos f  x  dx  cos x
  • 32.  2 h  sin   lim cos x sinh  2    sin x h  x 0  h       2   h   h sin  sinh   2  lim cos x  sin x h  sin  x 0  h    2   2  y  sin f  x   cos x 1  sin x 0  dy  f  x  cos f  x  dx  cos x y  cos x
  • 33.  2 h  sin   lim cos x sinh  2    sin x h  x 0  h       2   h   h sin  sinh   2  lim cos x  sin x h  sin  x 0  h    2   2  y  sin f  x   cos x 1  sin x 0  dy  f  x  cos f  x  dx  cos x y  cos x  y  sin   x    2 
  • 34.  2 h  sin   lim cos x sinh  2    sin x h  x 0  h       2   h   h sin  sinh   2  lim cos x  sin x h  sin  x 0  h    2   2  y  sin f  x   cos x 1  sin x 0  dy  f  x  cos f  x  dx  cos x y  cos x  y  sin   x    2     cos  x  dy   dx 2 
  • 35.  2 h  sin   lim cos x sinh  2    sin x h  x 0  h       2   h   h sin  sinh   2  lim cos x  sin x h  sin  x 0  h    2   2  y  sin f  x   cos x 1  sin x 0  dy  f  x  cos f  x  dx  cos x y  cos x  y  sin   x    2     cos  x  dy   dx 2    sin x
  • 36.  2 h  sin   lim cos x sinh  2    sin x h  x 0  h       2   h   h sin  sinh   2  lim cos x  sin x h  sin  x 0  h    2   2  y  sin f  x   cos x 1  sin x 0  dy  f  x  cos f  x  dx  cos x y  cos x  y  sin   x    2  y  cos f  x     cos  x  dy   dx 2    sin x
  • 37.  2 h  sin   lim cos x sinh  2    sin x h  x 0  h       2   h   h sin  sinh   2  lim cos x  sin x h  sin  x 0  h    2   2  y  sin f  x   cos x 1  sin x 0  dy  f  x  cos f  x  dx  cos x y  cos x  y  sin   x    2  y  cos f  x     cos  x  dy   f  x  sin f  x  dy   dx 2  dx   sin x
  • 39. y  tan x sin x y cos x
  • 40. y  tan x sin x y cos x dy cos x cos x   sin x  sin x   dx cos 2 x cos 2 x  sin 2 x  cos 2 x
  • 41. y  tan x sin x y cos x dy cos x cos x   sin x  sin x   dx cos 2 x cos 2 x  sin 2 x  cos 2 x 1  cos 2 x  sec 2 x
  • 42. y  tan x sin x y cos x dy cos x cos x   sin x  sin x   dx cos 2 x cos 2 x  sin 2 x  cos 2 x 1  cos 2 x  sec 2 x y  tan f  x 
  • 43. y  tan x sin x y cos x dy cos x cos x   sin x  sin x   dx cos 2 x cos 2 x  sin 2 x  cos 2 x 1  cos 2 x  sec 2 x y  tan f  x  dy  f  x  sec 2 f  x  dx
  • 44. y  tan x e.g. i  y  sin x 3 sin x y cos x dy cos x cos x   sin x  sin x   dx cos 2 x cos 2 x  sin 2 x  cos 2 x 1  cos 2 x  sec 2 x y  tan f  x  dy  f  x  sec 2 f  x  dx
  • 45. y  tan x e.g. i  y  sin x 3 dy sin x  3 x 2 cos x 3 y dx cos x dy cos x cos x   sin x  sin x   dx cos 2 x cos 2 x  sin 2 x  cos 2 x 1  cos 2 x  sec 2 x y  tan f  x  dy  f  x  sec 2 f  x  dx
  • 46. y  tan x e.g. i  y  sin x 3 dy sin x  3 x 2 cos x 3 y dx cos x dy cos x cos x   sin x  sin x  1  ii  y  tan dx cos 2 x x cos 2 x  sin 2 x  cos 2 x 1  cos 2 x  sec 2 x y  tan f  x  dy  f  x  sec 2 f  x  dx
  • 47. y  tan x e.g. i  y  sin x 3 dy sin x  3 x 2 cos x 3 y dx cos x dy cos x cos x   sin x  sin x  1  ii  y  tan dx cos 2 x x dy 1 1 cos 2 x  sin 2 x   2 sec 2  dx x x cos 2 x 1  cos 2 x  sec 2 x y  tan f  x  dy  f  x  sec 2 f  x  dx
  • 48. y  tan x e.g. i  y  sin x 3 dy sin x  3 x 2 cos x 3 y dx cos x dy cos x cos x   sin x  sin x  1  ii  y  tan dx cos 2 x x dy 1 1 cos x  sin x 2 2   2 sec 2  2 dx x x cos x  1 iii  y  log cos x cos 2 x  sec 2 x y  tan f  x  dy  f  x  sec 2 f  x  dx
  • 49. y  tan x e.g. i  y  sin x 3 dy sin x  3 x 2 cos x 3 y dx cos x dy cos x cos x   sin x  sin x  1  ii  y  tan dx cos 2 x x dy 1 1 cos x  sin x 2 2   2 sec 2  2 dx x x cos x  1 iii  y  log cos x cos 2 x dy  sin x   sec x 2 dx cos x y  tan f  x  dy  f  x  sec 2 f  x  dx
  • 50. y  tan x e.g. i  y  sin x 3 dy sin x  3 x 2 cos x 3 y dx cos x dy cos x cos x   sin x  sin x  1  ii  y  tan dx cos 2 x x dy 1 1 cos x  sin x 2 2   2 sec 2  2 dx x x cos x  1 iii  y  log cos x cos 2 x dy  sin x   sec x 2 dx cos x   tan x y  tan f  x  dy  f  x  sec 2 f  x  dx
  • 51. y  tan x e.g. i  y  sin x 3 dy sin x  3 x 2 cos x 3 y dx cos x dy cos x cos x   sin x  sin x  1  ii  y  tan dx cos 2 x x dy 1 1 cos x  sin x 2 2   2 sec 2  2 dx x x cos x  1 iii  y  log cos x iv  y  tan 5 x cos 2 x dy  sin x   sec x 2 dx cos x   tan x y  tan f  x  dy  f  x  sec 2 f  x  dx
  • 52. y  tan x e.g. i  y  sin x 3 dy sin x  3 x 2 cos x 3 y dx cos x dy cos x cos x   sin x  sin x  1  ii  y  tan dx cos 2 x x dy 1 1 cos x  sin x 2 2   2 sec 2  2 dx x x cos x  1 iii  y  log cos x iv  y  tan 5 x cos 2 x dy  sin x dy   5 tan 4 x sec 2 x  sec 2 x dx cos x dx   tan x y  tan f  x  dy  f  x  sec 2 f  x  dx
  • 53. y  tan x e.g. i  y  sin x 3 dy sin x  3 x 2 cos x 3 y dx cos x dy cos x cos x   sin x  sin x  1  ii  y  tan dx cos 2 x x dy 1 1 cos x  sin x 2 2   2 sec 2  2 dx x x cos x  1 iii  y  log cos x iv  y  tan 5 x cos 2 x dy  sin x dy   5 tan 4 x sec 2 x  sec 2 x dx cos x dx   tan x y  tan f  x  v  y  cos e x dy  f  x  sec 2 f  x  dx
  • 54. y  tan x e.g. i  y  sin x 3 dy sin x  3 x 2 cos x 3 y dx cos x dy cos x cos x   sin x  sin x  1  ii  y  tan dx cos 2 x x dy 1 1 cos x  sin x 2 2   2 sec 2  2 dx x x cos x  1 iii  y  log cos x iv  y  tan 5 x cos 2 x dy  sin x dy   5 tan 4 x sec 2 x  sec 2 x dx cos x dx   tan x y  tan f  x  v  y  cos e x dy  f  x  sec 2 f  x  dy dx  e x sin e x dx
  • 55. Exercise 14F; 2, 4, 5 Exercise 14G; 2ace etc, 3ace etc, 5ace etc, 6, 7ab(i), 8, 12, 13c, 16a* Exercise 14H; 2 ac, 4bd, 6, 8, 14, 17, 20