Find the Exact Values of S in the Given Interval $[ 0,2 \pi ) ; \cos s = - \frac { \sqrt { 2 } } { 2 }$

Multiple Choice

Find the exact values of s in the given interval that satisfy the given condition.
- $[ 0,2 \pi ) ; \cos s = - \frac { \sqrt { 2 } } { 2 }$

A) $\frac { 3 \pi } { 4 } , \frac { 5 \pi } { 4 }$
B) $\frac { \pi } { 4 } , \frac { 7 \pi } { 4 }$
C) $\frac { 5 \pi } { 6 } , \frac { 7 \pi } { 6 }$
D) $\frac { \pi } { 3 } , \frac { 5 \pi } { 3 }$