Solve the Following Equation $9 \sec ^ { 2 } x - 12 = 0$

Multiple Choice

Solve the following equation. $9 \sec ^ { 2 } x - 12 = 0$

A) $\frac { 7 \pi } { 2 } + 2 \pi , \frac { 3 \pi } { 2 } + 2 \pi$
B) $\frac { \pi } { 6 } + n \pi , \frac { 5 \pi } { 6 } + n \pi$
C) $\frac { \pi } { 2 } + 2 \pi , \frac { 3 \pi } { 2 } + 2 \pi$
D) $\frac { 5 \pi } { 2 } + 2 \pi , \frac { 5 \pi } { 2 } + 2 \pi$
E) $\frac { 3 \pi } { 2 } + 2 \pi , \frac { 3 \pi } { 2 } + 2 \pi$