$\"\"$

The trigonometric function is $\"\"$ .

First sketch the graph of $\"\"$ .

The graph of $\"\"$ is horizontally shifts $\"\"$ units to the left of $\"\"$ .

Find the period : \ \ One cycle :

$\"\"$ .

$\"\"$

$\"\"$ .

Draw a coordinate plane.

Graph the function $\"\"$ . \ \

Graph : \ \

$\"graph$

$\"\"$

Draw a coordinate plane.

Graph the function $\"\"$ .

$\"graph$

$\"\"$

Graph the trigonometric functions $\"\"$ and $\"\"$ in the interval $\"\"$ .

$\"graph$

$\"\"$

Graph is :

$\"graph$