This document discusses trigonometric functions including sine, cosine, tangent, cosecant, secant and cotangent. It provides instructions on finding the exact value of trig functions for various angles in different quadrants using special right triangles and quadrantal angles. It also discusses using a calculator to evaluate trig functions and provides example problems to solve.

1. 5.2 Trigonometric Functions Sine, Cosine, Tangent, Cosecant, Secant, Cotangent

2. Sine

3. Cosine

4. Tangent

5. Cosecant

6. Secant

7. Cotangent

8. Review - Special Right Triangles You MUST know these!

9. Find the exact value of the trig functions for the given angle Quadrant IV

10. Find the exact value of the trig functions for the given angle Reference Angle 45⁰

11. Find the exact value of the trig functions for the given angle

12. Find the exact value of the trig functions for the given angle

13. Find the exact value of the trig functions for the given angle

14. Find the exact value of the trig functions for the given angle

15. Find the exact value of the trig functions for the given angle

16. Find the exact value of the trig functions for the given angle

17. Find the exact value of the trig functions for the given angle

18. Find the exact value of the trig functions for the given angle

19. Find the exact value of the trig functions for the given angle Quadrant II

20. Find the exact value of the trig functions for the given angle

21. The angle measures that place the terminal ray on one of the axes. Degrees - 0⁰, 90⁰, 180⁰, 270⁰, 360⁰, … Radians – 0, π/2, π, 3π/2, 2π, … For these, draw and label a point 1 unit from the origin to find the values of the trigonometric functions. Quadrantal Angles

22. r=1 (-1,0)

23. Assignment p. 384 # 51 - 66 multiples of 3

24. Using your Calculator… Set MODE according to how the angle is measured (“degrees” or “radians”) Use the SIN, COS, or TAN keys Close parentheses after the angle measure

28. Alternative

29. If (-5,12) is on the terminal side, find the exact value of the six trig functions Quadrant II (-5,12) 13 12 -5

30. If (2,-1) is on the terminal side, find the exact value of the six trig functions Quadrant IV 2 -1 (2,-1)

31. Assignment p. 384 # 69 - 81 multiples of 3, 83 - 92