$\"\"$

(a)

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

Rewrite the equation.

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

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

$\"\"$

The curve equation in cartesian form is $\"\"$ . $\"\"$

(b)

Equation of the curve $\"\"$ .

The domain of the function is $\"\"$ and $\"\"$ .

Graph:

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

$\"\"$ $\"\"$

(a) The curve equation in cartesian form is $\"\"$ .

(b)

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

$\"\"$ .