$\"\"$

The function is $\"\"$ .

Compare the function with $\"\"$ .

$\"\"$ and $\"\"$ .

Amplitude : $\"\"$ .

Period : $\"\"$ .

Construct the table of values in the interval $\"\"$ :

\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \

$\"\"$

Graph the function $\"\"$ :

(1) Draw the coordinate plane.

(2) plot the points.

(3) connect the points to a smooth curve.

$\"\"$

Graph of the function $\"\"$ :

$\"\"$