Find the Phase Shift of the Function $$y = - 2 \sin \left( 2 x - \frac { \pi } { 2 } \right)$$

Multiple Choice

Find the phase shift of the function.
- $$y = - 2 \sin \left( 2 x - \frac { \pi } { 2 } \right)$$

A) $\frac { \pi } { 4 }$ units to the right
B) $2 \pi$ units down
C) $2 \pi$ units up
D) $\frac { \pi } { 2 }$ units to the left