Find the Exact Value of the Expression $\cos \left[ \cos ^ { - 1 } ( - 0.9372 ) \right]$

Multiple Choice

Find the exact value of the expression. Do not use a calculator.
- $\cos \left[ \cos ^ { - 1 } ( - 0.9372 ) \right]$

A) $- 0.4686$
B) $- 0.9372$
C) $0.9372$
D) $0.4686$