Write the Following Expression in Algebraic Form $\sin ( \arccos ( 2 x ) )$

Multiple Choice

Write the following expression in algebraic form. $\sin ( \arccos ( 2 x ) )$

A) $\sqrt { 1 - 4 x ^ { 2 } }$
B) $1 - 2 x ^ { 2 }$
C) $1 + 2 x ^ { 2 }$
D) $1 + 4 x ^ { 2 }$
E) $\sqrt { 1 - 2 x ^ { 2 } }$