$\"\"$

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

Graph:

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

$\"\"$ .

$\"\"$

Find the rectangular equation.

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

Consider $\"\"$ .

Take square on each side.

$\"\"$

Consider $\"\"$ .

Take square on each side.

$\"\"$

Trigonometric property: $\"\"$ .

Substitute $\"\"$ and $\"\"$

$\"\"$

The rectangular equation is $\"\"$ .

$\"\"$

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

$\"\"$ .

The rectangular equation is $\"\"$ .