Find the Area of the Region Bounded by the Graphs $f ( x ) = \sin ( x ) , g ( x ) = \cos ( 2 x ) , \frac { - \pi } { 2 } \leq x \leq \frac { \pi } { 6 }$

Multiple Choice

Find the area of the region bounded by the graphs of the equations.
$f ( x ) = \sin ( x ) , g ( x ) = \cos ( 2 x ) , \frac { - \pi } { 2 } \leq x \leq \frac { \pi } { 6 }$

A)
$$A = \frac { 9 } { 2 }$$
B)
$$A = \frac { 9 } { 8 }$$
C)
$$A = \frac { 3 } { 8 }$$
D)
$$A = \frac { 3 ^ { 3 / 2 } } { 4 }$$
E)
$$A = \frac { 3 } { 2 }$$