Find the Exact Solution to the Equation Without a Calculator $\sin \left( \sin ^ { - 1 } x \right) = - 0.8$

Multiple Choice

Find the exact solution to the equation without a calculator.
- $\sin \left( \sin ^ { - 1 } x \right) = - 0.8$

A) 0
B) $- 1.6$
C) $- 0.8$
D) $- 0.4$