### Home > CALC > Chapter 9 > Lesson 9.4.2 > Problem 9-128

9-128.

On your polar graph paper, complete a table and plot points for *r*_{1} = 4 cos*θ *and *r*_{2} = 4 cos(2*θ*) . What difference does the "2*θ *" in the equation make? Homework Help ✎

Use a graphing calculator to verify that your answer is correct.