Find All Solutions of the Following Equation in the Interval $3 \sec x - 3 \tan x = 3$

Multiple Choice

Find all solutions of the following equation in the interval [0,2π) .​ $3 \sec x - 3 \tan x = 3$ ​

A) $\frac { 7 \pi } { 2 } , 2 \pi , \frac { 3 \pi } { 2 }$
B) 0
C) ​ $\frac { \pi } { 2 } , 2 \pi , \frac { 3 \pi } { 2 }$
D) ​ $\frac { 3 \pi } { 2 } , 2 \pi , \frac { 3 \pi } { 4 }$
E) ​ $\frac { 5 \pi } { 2 } , 2 \pi$