Find a Polar Equation in R And $\theta$ That Has the Same Graph as the Equation in X

Multiple Choice

Find a polar equation in r and $\theta$ that has the same graph as the equation in x and y. $( x - 8 ) ^ { 2 } + y ^ { 2 } = 64$

A) $r = 16 \cos 16 \theta$
B) $r = \cos 16 \theta$
C) $r = 16 \cos \theta$
D) $r = 64 \sec \theta$
E) $r = 16 \sin \theta$