Multiple Choice
Use the product-to-sum formula to write the given product as a sum or difference.
A)
B)
C)
D)
E)
Correct Answer:

Verified
Correct Answer:
Verified
Q20: Use the sum-to-product formulas to write the
Q21: Using a graphing utility, graph each side
Q22: Use fundamental identities to simplify the expression
Q23: Verify the identity shown below. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX8702/.jpg"
Q24: If <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX8702/.jpg" alt="If ,
Q26: Which of the following is not an
Q27: Use the cofunction identities to evaluate the
Q28: Verify the identity shown below. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX8702/.jpg"
Q29: If <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX8702/.jpg" alt="If ,
Q30: Verify the identity shown below. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX8702/.jpg"