$\"\"$

The polar equation is $\"\"$ .

$\"\"$ .

Transform the equation to rectanglular coordinates.

$\"\"$ .

Multiply on each side by $\"\"$ .

$\"\"$ .

Apply formula: $\"r$ and $\"\"$ .

$\"\"$

The equation is standard equation of a circle with center at $\"\"$ in rectangular coordinates and the radius $\"\"$ .

$\"\"$

Graph:

Graph the polar equation $\"\"$ :

$\"graphing$

$\"\"$

The equation is $\"\"$ with center at $\"\"$ in rectangular coordinates and the radius $\"\"$ .

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

$\"graphing$