Multiple Choice
Use sum-to-product formulas to find the solutions of the equation.
A)
B)
C)
D)
E)
Correct Answer:

Verified
Correct Answer:
Verified
Q57: Verify the identity. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8634/.jpg" alt="Verify the
Q58: Verify the identity. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8634/.jpg" alt="Verify the
Q59: Tell whether the reduction formula is correct
Q60: Find an identical expression. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8634/.jpg" alt="Find
Q61: Find the exact values of <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8634/.jpg"
Q63: Verify the identity. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8634/.jpg" alt="Verify the
Q64: Use the formula <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8634/.jpg" alt="Use the
Q65: Find all solutions of the equation. <img
Q66: Find all solutions of the equation. <img
Q67: Verify the identity. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8634/.jpg" alt="Verify the