Question

@mathstudent55 @mathmate

Answer 1

Can someone please help me??

Answer 2

@Mehek14

Answer 3

@mathstudent55 Can you pleaseee help me?

Answer 4

Think of what values \(\cos \theta\) has at the given values of \(\theta\).

Answer 5

4, right?

Answer 6

The above shows the parent graph (cos(x)) and the transformed graph.
Refer to the response of your last question (closed) for how to figure out the parameters a and b in the transformed function y=a cos(bx)