Find an Algebraic Expression That Is Equivalent to the Expression $\cos ( \arcsin 4 x )$

question 95

Multiple Choice

Find an algebraic expression that is equivalent to the expression.. $\cos ( \arcsin 4 x )$

• A) \(\frac { \sqrt { 1 + 16 x ^ { 2 } } } { 1 + 16 x ^ { 2 } }\)
• B) \(\frac { \sqrt { 1 - 16 x ^ { 2 } } } { 1 - 16 x ^ { 2 } }\)
• C) \(\sqrt { 16 x ^ { 2 } - 1 }\)
• D) \(\sqrt { 1 + 16 x ^ { 2 } }\)
• E) \(\sqrt { 1 - 16 x ^ { 2 } }\)

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