Find the Exact Value of the Expression $$\sin ^ { - 1 } \left[ \sin \left( \frac { \pi } { 5 } \right) \right]$$

Multiple Choice

Find the exact value of the expression. Do not use a calculator.
- $$\sin ^ { - 1 } \left[ \sin \left( \frac { \pi } { 5 } \right) \right]$$

A) $5 \pi$
B) $\frac { \pi } { 5 }$
C) $- 5 \pi$
D) $- \frac { \pi } { 5 }$