2. Sum and Difference Formulas Sum Formulas

3. Sum and Difference Formulas Difference Formulas

4. Evaluating a Trigonometric Expression Find the exact value of the expression.

5. Evaluating a Trigonometric Expression Find the exact value of the expression.

6. Evaluating a Trigonometric Expression Find the exact value of the expression.

7. Evaluating a Trigonometric Expression Find the exact value of the expression.

8. Evaluating a Trigonometric Expression Find the exact value of the expression.

9. Evaluating a Trigonometric Expression Find the exact value of the expression.

10. Evaluating a Trigonometric Expression Find the exact value of the expression.

11. Evaluating a Trigonometric Expression Find the exact value of the expression.

12. Using a Difference Formula Evaluate the expression given 3 - 1 3 2

13. Using a Difference Formula Evaluate the expression given 3 - 1 3 2

14. Using a Difference Formula Evaluate the expression given 3 - 1 3 2

15. Using a Difference Formula Evaluate the expression given 3 - 1 3 2

16. Using a Difference Formula Evaluate the expression given 3 - 1 3 2

17. Using a Difference Formula Evaluate the expression given 3 - 1 3 2

18. Simplifying an Expression Simplify the expression.

19. Simplify the expression.

20. Simplifying an Expression Simplify the expression.

21. Simplifying an Expression