### Home > CALC > Chapter 11 > Lesson 11.1.1 > Problem 11-7

11-7.

Without your calculator, find all values of

*θ*for which these polar curves cross the pole (origin).Then, graph the polar curve on your calculator and verify your answers. Homework Help ✎ *r*= sin 3*θ*+ cos 3*θ**r*= 3sin^{2}*θ*− 2

A polar curve intersects the origin when *r* = 0.