$\"\"$

(a)

The parametric equation is $\"\"$ .

Rectangular equation is $\"\"$ .

Find the parametric equation by substituting $\"\"$ in $\"\"$ .

$\"\"$ .

Parametric equation is $\"\"$

$\"\"$

(b)

The parametric equation is $\"\"$ .

$\"\"$ .

Rectangular equation is $\"\"$ .

Find the parametric equation by substituting $\"\"$ in $\"\"$ .

$\"\"$

(a) Set of parametric equations are $\"\"$ and $\"\"$ $\"\"$

(b) Set of parametric equations are $\"\"$ and $\"\"$ .