Guided Example #1 - Values of the Trigonometric and Inverse Trigonometric Functions

Find the exact value of ${\displaystyle arcsin(-\frac{1}{2})}$.

A. ${\displaystyle \frac{\pi }{6}}$     B.${\displaystyle \frac{\pi }{3}}$    C.${\displaystyle \pi -\frac{\pi }{3}}$     D.${\displaystyle -\frac{\pi }{6}}$