Use the Sum-To-Product Formulas to Rewrite the Sum or Difference $\sin ( 7 \theta ) + \sin ( 5 \theta )$

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