Solve the Following Equation $2 \tan ^ { 2 } 3 x = 6$

Multiple Choice

Solve the following equation.​ $2 \tan ^ { 2 } 3 x = 6$ ​

A) $\frac { 4 \pi } { 3 } + n \pi , \frac { 2 \pi } { 3 } + n \pi$
B) ​ $\frac { \pi } { 2 } + n \pi , \frac { 2 \pi } { 5 } + n \pi$
C) ​ $\frac { 2 \pi } { 3 } + n \pi , \frac { 2 \pi } { 3 } + n \pi$
D) ​ $\frac { \pi } { 9 } + \frac { n \pi } { 3 } , \frac { 2 \pi } { 9 } + \frac { n \pi } { 3 }$
E) ​ $\frac { \pi } { 3 } + n \pi , \frac { \pi } { 3 } + n \pi$