Find the Phase Shift of the Function $$y = - 5 \sin \left( \frac { 1 } { 2 } x - \frac { \pi } { 2 } \right)$$

question 25

Multiple Choice

Find the phase shift of the function.
- $$y = - 5 \sin \left( \frac { 1 } { 2 } x - \frac { \pi } { 2 } \right)$$

• A) \(\frac { \pi } { 5 }\) units to the left
• B) \(\pi\) units to the right
• C) \(\frac { \pi } { 4 }\) units to the left
• D) \(\frac { \pi } { 2 }\) units to the right

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