Find a Polar Equation for the Circle $$x ^ { 2 } + ( y + 3 ) ^ { 2 } = 9$$

Multiple Choice

Find a polar equation for the circle.
- $$x ^ { 2 } + ( y + 3 ) ^ { 2 } = 9$$

A) $r = 3 \cos \theta$
B) $r = 3 \sin \theta$
C) $\mathrm { r } = - 6 \cos \theta$
D) $r = - 6 \sin \theta$