Step 1 :

Conversion from polar to rectangular equation :

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

Step 2 :

The equation is $\"\"$ .

Rewrite the equation.

$\"\"$

Square on both sides.

$\"\"$

Substitute $\"\"$ and $\"\"$ in above equation.

$\"\"$

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

Solution :

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