1. Equivalent Functions
Composite Angles
Exact Trig Ratios
Trig Identities
Solving Equations
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2. What angle relates sine and cosine? ie: fill in the blank

4. Use the parity of cosine to provide an equivalent expression for the following:

5. Because cosine is an even function

6. Write an expression equivalent to in terms of sine

8. True or False?

9. True

10. True or False?

11. True

12. Write the following as a sum or difference of two special angles:

14. Write the following as a sum or difference of two special angles:

15. or

16. Write the following as a sum or difference of two special angles:

17. or

18. Write the following as a sum or difference of two special angles:

20. Write the following as a sum or difference of two special angles:

22. Evaluate the following without using a calculator:

24. Evaluate the following without using a calculator:

26. Evaluate the following without using a calculator:

28. Evaluate the following without using a calculator:

30. Evaluate the following without using a calculator:

32. Find a counter example to prove that the following is NOT an identity:

33. MANY answers!

34. Prove the following identity:

36. Prove the following identity:

38. Prove the following identity:

40. Prove the following identity:

42. Solve the following equation for

44. Solve the following equation for

45. OR

46. Solve the following equation for

47. OR

48. Solve the following equation for

50. Solve the following equation for

51. OR