Question

How do you convert `r=2` to rectangular form?

Answer 1

`x.x + y.y = 4`

Explanation:

The absence `theta` reveals that it varies from 0 to 2`pi`.
So, r = 2, represents the circle with center at pole (r = 0) and radius equal to 2.
Use r = `sqrt(x.x + y.y)`