$\"\"$

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 $\"\"$ is

$\"\"$

Observe the graph,

The polar equation is an parabola.

$\"\"$

(a)

The polar equation $\"\"$ .

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

$\"\"$ .