Question

sketch the graph of the polar equation. r = theta

Answer 1

it has not any special method , just first give theta some value , then do this for r

Answer 2

oh let me explain more first suppose r=1,then for theta between 0 to 2pi what shape do you have? surely a circle with radius r ,
now change r you will have lots of circles

Answer 3

so it basically looks like a spiral?

Answer 4

I think it'll look like this.... my sketch is ugly, i know