Solve the Problem $\int _ { - \pi / 2 } ^ { \pi / 2 } 4 \sin x d x$

Multiple Choice

Solve the problem.
-Estimate the minimum number of subintervals needed to approximate the integral $\int _ { - \pi / 2 } ^ { \pi / 2 } 4 \sin x d x$ with an error of magnitude less than $10 ^ { - 4 }$ using the Trapezoidal Rule.

A) 58
B) 114
C) 322
D) 228