$\"\"$

The polar equation is $\"\"$ .

The equation is of the form $\"\"$ .

The function represents a rose.

Since polar equation is a cosine function, it is symmetric with respect to the polar axis.

Construct a table and calculate the values of $\"\"$ on $\"\"$ .

\ \

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

$\"\"$	$\"\"$	$\"\"$	$\"\"$	$\"\"$
$\"\"$	$\"\"$	$\"\"$	$\"\"$	$\"\"$

$\"\"$

Graph :

(1) Draw the coordinate plane.

(2) Plot the points obtained in the above table.

(3) Connect the points with a smooth curve.

$\"\"$

The polar equation $\"\"$ represents a Rose.

Graph of the polar equation $\"\"$ is

$\"\"$