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

Multiple Choice

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

A) ?? = 45°
B) ?? = 30°
C) ?? = 15°
D) ?? = 90°
E) ?? = 75°