Question

Determine if the graph is symmetric about the x-axis, the y-axis, or the origin.

r = 9 sin 7θ

Answer 1

It is a rose with 7 petals. I don't see any simmetry. I attach you the graph.

Answer 2

My mistake. Simmetry around the y-axis. You can check with a table of values.

Answer 3

Laughing out loud, I was just about to tell you it is symmetric :)
How is it?

Answer 4

Just the same as in the other exercises you put :)

Answer 5

Oh, same process. Thank You !