Use a Calculator to Solve for X in the Given $\cos \theta = 0.3971,0 ^ { \circ } \leq \theta \leq 90 ^ { \circ }$

Multiple Choice

Use a calculator to solve for x in the given interval
- $\cos \theta = 0.3971,0 ^ { \circ } \leq \theta \leq 90 ^ { \circ }$

A) $23.40 ^ { \circ }$
B) $- 23.40 ^ { \circ }$
C) $21.66 ^ { \circ }$
D) $66.60 ^ { \circ }$