$\"\"$

The trigonometric function is $\"\"$ .

First graph the function $\"\"$ .

The amplitude is 1.

Find the period :

One cycle :

$\"\"$ .

$\"\"$

$\"\"$ .

$\"\"$

Drae a coordinate plane.

Graph the function $\"\"$ in the interval $\"\"$ .

Graph :

$\"graph$

$\"\"$

Graph of the trigonometric function is $\"\"$ is : $\"graph$