Evaluate the Following Expression $2 \cos ^ { 2 } \beta + 2 \cos ^ { 2 } \left( \frac { \pi } { 2 } - \beta \right)$

Multiple Choice

Evaluate the following expression.
$2 \cos ^ { 2 } \beta + 2 \cos ^ { 2 } \left( \frac { \pi } { 2 } - \beta \right)$

A) 3
B) - 2
C) 2
D) -3
E) 0