Solved

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

Question 367

Multiple Choice

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

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

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