Evaluate the Integral $\int _ { \pi / 6 } ^ { \pi / 2 } \sin t d t$

Multiple Choice

Evaluate the integral.
$\int _ { \pi / 6 } ^ { \pi / 2 } \sin t d t$
Select the correct answer.

A) $1.666$
B) $0.866$
C) $1.866$
D) $1.366$
E) $- 0.134$