Find the Exact Value of the Expression $$\cos \theta = \frac { 1 } { 2 }$$

Multiple Choice

Find the exact value of the expression.
- $$\cos \theta = \frac { 1 } { 2 }$$

A) $60 ^ { \circ }$ and $300 ^ { \circ }$
B) $210 ^ { \circ }$ and $330 ^ { \circ }$
C) $60 ^ { \circ }$ and $120 ^ { \circ }$
D) $150 ^ { \circ }$ and $210 ^ { \circ }$