Sketch the Graph of the Function Below,being Sure to Include $\frac { \pi } { 2 }$

question 19

Multiple Choice

Sketch the graph of the function below,being sure to include at least two full periods. ​
Y = - cos(x+ $\frac { \pi } { 2 }$ ) ​

• A)​
• B)​
• C)​
• D)​

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