Evaluate the Differential Is Exact $$\int _ { ( 0,0,0 ) } ^ { ( \pi , \pi , \pi ) } - 2 \sin x \cos x d x - \sin y \cos z d y - \cos y \sin z d z$$

Multiple Choice

Evaluate. The differential is exact.
- $$\int _ { ( 0,0,0 ) } ^ { ( \pi , \pi , \pi ) } - 2 \sin x \cos x d x - \sin y \cos z d y - \cos y \sin z d z$$

A) 0
B) -2
C) 1
D) 2