# What is the graph of #y=cos(x-pi/2)#?

##### 1 Answer

Oct 21, 2014

First, the graph of

I also use a general form for trig functions:

1) amplitude = 1 since there is no multiplier other than "1" in front of the cosine.

2) period =

3) Solving

The bright, red graph is your graph!

Compare it to the dotted, blue graph of cosine. Do you recognize the changes itemized above?