Short Answer
Use the sum-to-product formulas to rewrite the sum or difference as a product.
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q2: Use the product-to-sum formulas to rewrite
Q3: Use the cofunction identities to evaluate
Q4: Find the exact value of the
Q5: Use inverse functions where needed to
Q6: Evaluate the following expression.<br> <span
Q8: Find the expression as the sine
Q9: Convert the expression.<br> <span class="ql-formula"
Q10: Use the product-to-sum formulas to rewrite
Q11: Convert the expression.<br> <span class="ql-formula"
Q12: Use the Quadratic Formula to solve