Answer
See the graph of the function below.
$$f(\theta)=\cos \left(2 \theta-\frac{\pi}{2}\right),\ \ \ \theta\in[0,\pi/2]$$
Work Step by Step
$$f(\theta)=\cos \left(2 \theta-\frac{\pi}{2}\right),\ \ \ \theta\in[0,\pi/2]$$
![](https://gradesaver.s3.amazonaws.com/uploads/solution/171be423-2a80-4bd8-bc6c-040aeac59ad7/steps_image/small_1579441715.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=AKIAJVAXHCSURVZEX5QQ%2F20240908%2Fus-east-1%2Fs3%2Faws4_request&X-Amz-Date=20240908T000005Z&X-Amz-Expires=900&X-Amz-SignedHeaders=host&X-Amz-Signature=4536330223c75b718a81a801e38ec11af44b6b76a2a2281de3c5de81798a4742)
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