$\"\"$

The equation is $\"\"$ .

$\"\"$ .

From the trigonometric identity : $\"\"$ .

From the trigonometric recripocal identity : $\"\"$ .

$\"\"$

The polar coordinates are related to Cartesian coordinates by the equation $\"\"$ .

Where $\"\"$ .

$\"\"$ .

Therefore, $\"\"$ is the standard form of a parabola.

$\"\"$

The equation $\"\"$ represents the standard form of a parabola.