Find the Exact Values of S in the Given Interval $[ - 2 \pi , \pi ) ; \cos ^ { 2 } \mathrm {~s} = \frac { 3 } { 4 }$

Find the exact values of s in the given interval that satisfy the given condition.
- $[ - 2 \pi , \pi ) ; \cos ^ { 2 } \mathrm {~s} = \frac { 3 } { 4 }$

A) $- \frac { 5 \pi } { 3 } , - \frac { 4 \pi } { 3 } , - \frac { 2 \pi } { 3 } , - \frac { \pi } { 3 } , \frac { \pi } { 3 } , \frac { 2 \pi } { 3 }$

B) $- \frac { 11 \pi } { 6 } , - \frac { \pi } { 6 } , \frac { \pi } { 6 }$

C) $- \frac { 5 \pi } { 3 } , - \frac { \pi } { 3 } , \frac { \pi } { 3 }$

D) $- \frac { 11 \pi } { 6 } , - \frac { 7 \pi } { 6 } , - \frac { 5 \pi } { 6 } , - \frac { \pi } { 6 } , \frac { \pi } { 6 } , \frac { 5 \pi } { 6 }$

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