Write the Following Expression in Algebraic Form $$\cos \left( \arcsin \left( 2 x ^ { 2 } \right) \right)$$

Multiple Choice

Write the following expression in algebraic form. $$\cos \left( \arcsin \left( 2 x ^ { 2 } \right) \right)$$

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