Find All Solutions to the Equation in the Interval [0 $\cos 4 x - \cos 2 x = 0$

Multiple Choice

Find all solutions to the equation in the interval [0, 2) .
- $\cos 4 x - \cos 2 x = 0$

A) $0 , \frac { 2 \pi } { 3 } , \frac { 4 \pi } { 3 }$
B) $\frac { \pi } { 6 } , \frac { \pi } { 2 } , \frac { 5 \pi } { 6 } , \frac { 7 \pi } { 6 } , \frac { 3 \pi } { 2 } , \frac { 11 \pi } { 6 }$
C) $0 , \frac { \pi } { 3 } , \frac { 2 \pi } { 3 } , \pi , \frac { 4 \pi } { 3 } , \frac { 5 \pi } { 3 }$
D) No solution