$\"\"$

The polar equation is $\"\"$ .

Convert the polar equation to rectangular form.

$\"\"$

Conversion formula: $\"\"$ .

$\"\"$ .

The equation $\"\"$ is in the form of standard line equation $\"\"$ .

Where slope of the line is $\"\"$ .

Slope of the line $\"\"$ is $\"\"$

Therefore, the equation $\"\"$ is a vertical line.

If $\"\"$ , the $\"\"$ is a vertical line with $\"\"$ units right of the pole.

If $\"\"$ , the $\"\"$ is a vertical line with $\"\"$ units left of the pole.

$\"\"$

The equation $\"\"$ is a vertical line.

If $\"\"$ , the $\"\"$ is a vertical line with $\"\"$ units right of the pole.

If $\"\"$ , the $\"\"$ is a vertical line with $\"\"$ units left of the pole.