Evaluate the Indefinite Integral $$\int 7 e ^ { \cos x } \sin x d x$$

Multiple Choice

Evaluate the indefinite integral.
$$\int 7 e ^ { \cos x } \sin x d x$$

A) $- e ^ { \cos x } \sin x + C$
B) $- 7 e ^ { \cos x } + C$
C) $e ^ { 7 \sin x } + C$
D) $7 e ^ { \cos x } \sin x + C$
E) $- 7 \sin \left( e ^ { \cos x } \right) + C$