Write $\frac { \sqrt { 3 } } { 2 } \sin x - \frac { 1 } { 2 } \cos x$

Q11: Use addition or subtraction formulas to

Q12: Simplify the trigonometric expression. <span

Q13: Simplify. <span class="ql-formula" data-value="\frac {

Q14: Use a graphing device to find

Q15: Solve the given equation. <span

Q17: Use a half-angle formula to find

Q18: Find all solutions of <span

Q19: Find the exact value. <span

Q20: Solve the given equation. <span

Q21: Find <span class="ql-formula" data-value="\sin 2