$\"\"$

(a)

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

Draw a table for different values of $\"\"$ .

\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \

Graph:

(1) Draw the coordinate plane.

(2) Plot the point obtained from the table.

(3) Connect the points to a smooth curve.

$\"\"$

(b)

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

Consider $\"\"$ .

$\"\"$

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

$\"\"$

Rectangular equation of the curve is $\"\"$ .

$\"\"$

(a) Graph the parametric curve.

$\"\"$

(b) Rectangular equation of the curve is $\"\"$ .