Find the Exact Solution of the Equation $$\sin ^ { - 1 } x = \frac { \pi } { 2 }$$

Multiple Choice

Find the exact solution of the equation.
- $$\sin ^ { - 1 } x = \frac { \pi } { 2 }$$

A) $x = 1$
B) $x = \pi$
C) $x = - 1$
D) $x = 0$