$\"\"$

\

The polar equation is $\"\"$ .

\

Convert the polar equation into rectangular form.

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

Square on both sides.

\

$\"\"$

\

$\"\"$

\

Substitute $\"\"$ , $\"\"$ and $\"\"$ .

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$ .

\

The rectangular equation is $\"\"$ .

\

$\"\"$

\

The rectangular equation is $\"\"$ .