Find the Exact Value of the Composition $\sin ( \arctan ( 2 ) )$

Multiple Choice

Find the exact value of the composition.
- $\sin ( \arctan ( 2 ) )$

A) $5 \sqrt { 2 }$
B) $\frac { 2 \sqrt { 5 } } { 5 }$
C) $2 \sqrt { 5 }$
D) $\frac { 5 \sqrt { 2 } } { 2 }$