# How do you graph #r=2costheta#?

##### 1 Answer

Apr 23, 2016

Draw the circle with center at #(r, theta)=(1,0) and radius 1 unit

#### Explanation:

Referred to (a, 0) as center and radius = a, the equation of the circle is

If O is the pole, OA = 2a is the diameter through O and P is any point