Question

How do you graph `y=cos(x/2)`?

Answer 1

`Amplitude =1` & `Period=4pi`
`y=cos(x/2)`
graph{cos(x/2) [-10, 10, -5, 5]}

Explanation:

`y=cos(x/2)`
`Amplitude a =1` & `Period=(2pi/b)=(2pi)/(1/2)=4pi`