Multiple Choice
Find the exact value of the product.
-sin 45° sin 15°
A) 
B) 
C) 
D) 
Correct Answer:
Verified
Correct Answer:
Verified
Q89: Find the exact value using a double-angle
Q90: Find the exact value using a double-angle
Q91: Find all real numbers that satisfy the
Q92: Use identities to simplify the expression.<br>-<img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8458/.jpg"
Q93: Decide whether the expression is or is
Q95: Use an appropriate identity to find the
Q96: Use a half-angle identity to find an
Q97: Multiply and simplify.<br>-<img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8458/.jpg" alt="Multiply and simplify.
Q98: Simplify the expression.<br>-<img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8458/.jpg" alt="Simplify the expression.
Q99: Identify the equation as either an identity