Find the Derivative Of $g ( x ) = \cos ( \sin ( 2 x ) )$

Multiple Choice

Find the derivative of $g ( x ) = \cos ( \sin ( 2 x ) )$ .

A) $- 2 \cos ( 2 x ) \sin ( \sin ( 2 x ) )$
B) $2 \cos ( 2 x ) \sin ( \sin ( 2 x ) )$
C) $- 2 \sin ( \sin ( 2 x ) )$
D) $4 \sin ( \sin ( 2 x ) )$