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Find the Phase Shift of the Function y=cos⁡(x−π2)y = \cos \left( x - \frac { \pi } { 2 } \right)

Question 64

Multiple Choice

Find the phase shift of the function.
- y=cos⁡(x−π2) y = \cos \left( x - \frac { \pi } { 2 } \right)


A) π2\frac { \pi } { 2 } units up
B) π2\frac { \pi } { 2 } units to the left
C) π2\frac { \pi } { 2 } units down
D) π2\frac { \pi } { 2 } units to the right

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