Use the sum-to-product formulas to rewrite the sum or difference as a product.
A) 
B) 
C) 
D) 
E) 
Correct Answer:
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Q12: Use the figure to find the exact
Q13: Use the figure to find the exact
Q14: Use the half-angle formulas to simplify the
Q15: Use the product-to-sum formulas to rewrite the
Q16: Use the sum-to-product formulas to rewrite the
Q18: Use the half-angle formulas to simplify the
Q19: Use the figure to find the exact
Q20: Use the figure to find the exact
Q21: Convert the expression. Q22: Convert the expression. ![]()
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