Evaluate the Integral $\iint _ { R } x \sin \left( x ^ { 3 } \right) d A$

Multiple Choice

Evaluate the integral $\iint _ { R } x \sin \left( x ^ { 3 } \right) d A$ over the triangle with vertices (0, 0) , (1, 3) , and (1, -3) .

A) $2$
B) $2 \cos ( 1 ) - 2$
C) $0$
D) $2 - 2 \cos ( 1 )$