# How do you find the amplitude and period of #y = -2 sin (1/2) x#?

##### 1 Answer

Oct 2, 2015

Amplitude is

#### Explanation:

For a general sine graph of form

So in this case the amplitude is

This means that the maximum displacement from the rest position or x axis is 2 units, and the time taken for 1 complete cycle on the x-axis is