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

question 202

Multiple Choice

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

• A) \(\frac { \pi } { 2 }\) units to the left
• B) \(\frac { \pi } { 2 }\) units to the right
• C) \(\frac { \pi } { 6 }\) units to the right
• D) \(\frac { \pi } { 6 }\) units to the left

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