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Plus de Northside ISD (20)
6.4.3 sum and difference formulas
- 4. Find the exact value of the
expression 1 13 12
5 5sin sin tan
1 3
5sin
1 12
5tan
3
5
4
12
5
13
sin sin cos cos sin
3 5 4 12
5 13 5 13
15 48
65 65 33
65
- 5. Find the exact value of the
expression 1 1 54
5 12cos sin tan
1 4
5sin
1 5
12tan
45
3
5
12
13
cos cos cos sin sin
3 512 4
5 13 5 13
36 20
65 65 16
65