Find the Product or Quotient, as Indicated $$\frac { 9 ( \cos 7 \pi + i \sin 7 \pi ) } { 4 ( \cos 5 \pi + i \sin 5 \pi ) }$$

Multiple Choice

Find the product or quotient, as indicated. Leave your answer in polar form.
-Find the quotient.
$$\frac { 9 ( \cos 7 \pi + i \sin 7 \pi ) } { 4 ( \cos 5 \pi + i \sin 5 \pi ) }$$

A) $5 ( \cos 2 \pi + i \sin 2 \pi )$
B) $5 \left( \cos \frac { 7 } { 5 } + i \sin \frac { 7 } { 5 } \right)$
C) $\frac { 9 } { 4 } ( \cos 2 \pi + i \sin 2 \pi )$
D) $\frac { 9 } { 4 } \left( \cos \frac { 7 } { 5 } + i \sin \frac { 7 } { 5 } \right)$