# How do you find the amplitude, period, and shift for #F(x)= 4 sin [2x - pi/2]#?

##### 1 Answer

Dec 24, 2015

The explanation is given below.

#### Explanation:

To find Amplitude, period and phase shift, I use a general sinusoidal function and make a comparison.

The general function

Where

Now let us take our function

Let us write it in the form I had shown.

Comparing it with

Amplitude

Period

Phase Shift