$\"\"$

The polar equation is $\"\"$ .

Convert the polar equation to a rectangular equation.

$\"\"$

Squaring on each side.

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Substitute $\"\"$ .

$\"\"$ .

The equation in rectangular form is $\"\"$ .

The equation $\"\"$ is in the form of standard circle equation $\"\"$ with center $\"\"$ and $\"\"$ .

$\"\"$

Graph the equation $\"\"$ .

Graph:

$\"\"$

$\"\"$ .

The equation $\"\"$ is circle with center $\"\"$ and radius $\"\"$ .

Graph of the equation $\"\"$ :

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