Find the Point(s) of Intersection of the Curves $r = 2$

Multiple Choice

Find the point(s) of intersection of the curves $r = 2$ and $r = 4 \cos \theta$ .

A) $\left( 2 , \frac { \pi } { 6 } \right) , \left( 2 , - \frac { \pi } { 6 } \right)$
B) $\left( 2 , \frac { \pi } { 4 } \right) , \left( 2 , - \frac { \pi } { 4 } \right)$
C) $\left( 2 , \frac { \pi } { 3 } \right) , \left( 2 , - \frac { \pi } { 3 } \right)$
D) $\left( 2 , \frac { \pi } { 6 } \right)$
E) $\left( 2 , \frac { \pi } { 3 } \right)$