Question

How do you graph `r=6cos4theta`?

Answer 1

On a TI graphing calculator change MODE to POL.
Then select Y= and enter `r1 = 6 cos (4 theta)`

Explanation:

On a TI graphing calculator change MODE to POL.

Then select Y= and enter `r1 = 6 cos (4 theta)`

You get a rose curve: