Use a Calculator to Give the Value to the Nearest $$\theta = \cos ^ { - 1 } ( - 0.9397 )$$

Multiple Choice

Use a calculator to give the value to the nearest degree.
- $$\theta = \cos ^ { - 1 } ( - 0.9397 )$$

A) $162 ^ { \circ }$
B) $157 ^ { \circ }$
C) $160 ^ { \circ }$
D) $- 20 ^ { \circ }$