Evaluate the Trigonometric Function Using Its Period as an Aid $\sin \left( \frac { 11 \pi } { 6 } \right)$

Multiple Choice

Evaluate the trigonometric function using its period as an aid.​ $\sin \left( \frac { 11 \pi } { 6 } \right)$ ​

A) $\sin \left( \frac { 11 \pi } { 6 } \right) = - \frac { 1 } { 2 }$
B) $\sin \left( \frac { 11 \pi } { 6 } \right) = \frac { \sqrt { 2 } } { 2 }$
C) $\sin \left( \frac { 11 \pi } { 6 } \right) = \infty$
D) $\sin \left( \frac { 11 \pi } { 6 } \right) = \frac { 1 } { 2 }$
E) $\sin \left( \frac { 11 \pi } { 6 } \right) = - \frac { \sqrt { 2 } } { 2 }$