Question

If the period of a cosine function is 8pi, what is the frequency?A) 1/4B) 2piC) 1/2D) 4pi

Answer 1

We will have that the frequency of the function will be:

`P=(2\pi)/(f)`

`8\pi=(2\pi)/(f)\Rightarrow f=(1)/(4)`

So, the frequency is 1/4. [Option A]