Convert the Equation to Polar Form $x ^ { 2 } - y ^ { 2 } = 9$

Multiple Choice

Convert the equation to polar form. $x ^ { 2 } - y ^ { 2 } = 9$

A) $r ^ { 2 } = 9 \csc 2 \theta$
B) $r = 3 \sec 2 \theta$
C) $r ^ { 2 } = 9 \sec 2 \theta$
D) $r ^ { 2 } = 9 \csc \theta$
E) none of these