# What is the shape of the graph #r^2= - cos theta#?

##### 2 Answers

Correcting an error.

#### Explanation:

This graph is for

with

See the attached plot.

See explanation for the loop.

#### Explanation:

As

the initial line

I strictly stick to the definition of (length) r as non-negative.

The Table for plotting the graph is

Symmetry about the axis

half of the loop.

Note that I have considered only one loop from

and did not consider the non-positive

for the opposite loop, for the same

My r is a single-valued function of