Find the Phase Shift of the Function $$y = 3 \cos \left( x + \frac { \pi } { 2 } \right)$$

Multiple Choice

Find the phase shift of the function.
- $$y = 3 \cos \left( x + \frac { \pi } { 2 } \right)$$

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