If a Is the Area of the Intersection of the Regions

Multiple Choice

If A is the area of the intersection of the regions enclosed by the graphs of r = 3 sin 2 $\theta$ and r = 3 cos 2 $\theta$ , then A is

A) $\frac { 9 ( \pi - 2 ) } { 2 }$
B) $\frac { 9 ( \pi + 1 - \sqrt { 2 } ) } { 2 }$
C) $\frac { 9 ( \pi - 1 + \sqrt { 2 } ) } { 2 }$
D) $\frac { 9 ( \pi + 1 - \sqrt { 2 } ) } { 5 }$
E) $\frac { 9 ( \pi + 1 + \sqrt { 2 } ) } { 2 }$