TRIG WORKSHEET—SUM/DIFFERENCE IDENTITIES



Section 8.5 Sum and Difference Formula- Extra Practice NAME_______________________

Part 1: Using the sum & difference identities, condense each of the following and express as a trig function of a single angle.

1. [pic] 2. [pic]

3. [pic] 4. [pic]

5. [pic] 6. [pic]

Part 2: Use the sum & difference identities with unit circle values to find exact answers for the following:

7. [pic] 8. [pic]

Part 3: Given: [pic] , [pic], and [pic] , [pic], find the following:

9. [pic] 10. [pic] 11. [pic]

Part 4: Solve each of the following equations over the interval [pic].

12. [pic]

13.. [pic]

Answers:

1. [pic] 2. [pic] 3. [pic] 4. [pic] 5. [pic] 6. [pic] 7. [pic] 8. [pic] 9. [pic] 10. [pic] 11. [pic] 12. [pic] 13. [pic]

................
................

In order to avoid copyright disputes, this page is only a partial summary.

Google Online Preview   Download