How do you find the amplitude and period of y=4cos(34θ)?

1 Answer
May 31, 2018

As below

Explanation:

Standard form of the cosine function is

y=Acos(BxC)+D

Given : y=4cos((34)θ)

Amplitude=|A|=4

Period =2π|B|=2π34=8π3

Phase Shift =CB=0, no Shift

Vertical Shift =D=0, no Shift