$\"\"$

The parametric equations are $\"\"$ and $\"\"$ .

Graph:

Graph the parametric equations $\"\"$ and $\"\"$ .

$\"\"$

Find the rectangular equation.

Consider $\"\"$ .

Squaring on both sides.

$\"\"$

Substitute $\"\"$ in $\"\"$ .

$\"\"$ .

The rectangular equation is $\"\"$ .

$\"\"$

Graph of the parametric equations $\"\"$ and $\"\"$ .

$\"\"$ .

The rectangular equation is $\"\"$ .