$\"\"$

The eccentricity $\"\"$ and the equation of directrix is $\"\"$ .

Therefore $\"\"$

The polar equation in standard form : $\"\"$ .

Substitute $\"\"$ and $\"\"$ in standard form

$\"\"$

Graph:

Graph the polar equation $\"\"$ :

$\"\"$

Observe the graph:

The polar equation is an ellipse.

$\"\"$

(a)

The polar equation $\"\"$ .

Graph of the polar equation $\"\"$ is

$\"\"$ .