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Find an Algebraic Expression Equivalent to the Given Expression $\cos ( \operatorname { arccot } u )$

Question 150

Multiple Choice

Find an algebraic expression equivalent to the given expression.
- $\cos ( \operatorname { arccot } u )$

A) $\sqrt { u ^ { 2 } - 1 }$
B) $\frac { \sqrt { \mathrm { u } ^ { 2 } - 1 } } { \mathrm { u } }$
C) $\sqrt { \mathrm { u } ^ { 2 } + 1 }$
D) $\frac { u \sqrt { \mathrm { u } ^ { 2 } + 1 } } { \mathrm { u } ^ { 2 } + 1 }$

Find an Algebraic Expression Equivalent to the Given Expression cos⁡(arccot⁡u)\cos ( \operatorname { arccot } u )cos(arccotu)

Multiple Choice

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Find an Algebraic Expression Equivalent to the Given Expression $\cos ( \operatorname { arccot } u )$

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