If $\sin \theta = \frac { \sqrt { 2 } } { 2 }$

Multiple Choice

If $\sin \theta = \frac { \sqrt { 2 } } { 2 }$ , find the value of $\theta$ in degrees $\left( 0 ^ { \circ } < \theta < 90 ^ { \circ } \right)$ without the aid of a calculator.

A) $\theta$ = 30°
B) $\theta$ = 45°
C) $\theta$ = 90°
D) $\theta$ = 75°
E) $\theta$ = 15°