# How do you find the amplitude, period, vertical and phase shift and graph #y=sin(theta-pi/4)#?

##### 1 Answer

May 28, 2017

Amplitude:

Period:

Phase shift:

#### Explanation:

First, write the function in a more *general* form,

where

Now you get amplitude

A negative phase value indicates a shift to the right. So the function shifts to the right by

http://www.purplemath.com/modules/grphtrig.htm

graph{y=sin(x-pi/4) [-10, 10, -5, 5]}