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Write an Algebraic Expression That Is Equivalent To tan⁡(arccos⁡3x)\tan ( \arccos 3 x )

Question 14

Multiple Choice

Write an algebraic expression that is equivalent to tan⁡(arccos⁡3x) \tan ( \arccos 3 x ) .


A) 1−9x23x\frac { \sqrt { 1 - 9 x ^ { 2 } } } { 3 x }
B) 1−9x2\sqrt { 1 - 9 x ^ { 2 } }
C) 1−9x21−9x2\frac { \sqrt { 1 - 9 x ^ { 2 } } } { 1 - 9 x ^ { 2 } }
D) 13x\frac { 1 } { 3 x }
E) 3x3 x

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