Find an algebraic expression equivalent to the given expression.
-$\tan \left( \arccos \frac { \mathrm { u } } { \sqrt { \mathrm { u } ^ { 2 } + 5 } } \right)$
A) $\frac { \sqrt { u ^ { 2 } + 5 } } { 5 }$
B) $\frac { \sqrt { 5 u ^ { 2 } + 25 } } { 5 }$
C) $\frac { u \sqrt { u ^ { 2 } + 5 } } { u 2 + 5 }$
D) $\frac { \sqrt { 5 } } { u }$

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The Answer of Find an algebraic expression equivalent to the given expression.
-$\tan \left( \arccos \frac { \mathrm { u } } { \sqrt { \mathrm { u } ^ { 2 } + 5 } } \right)$
A) $\frac { \sqrt { u ^ { 2 } + 5 } } { 5 }$
B) $\frac { \sqrt { 5 u ^ { 2 } + 25 } } { 5 }$
C) $\frac { u \sqrt { u ^ { 2 } + 5 } } { u 2 + 5 }$
D) $\frac { \sqrt { 5 } } { u }$

Find an Algebraic Expression Equivalent to the Given Expression tan⁡(arccos⁡uu2+5)\tan \left( \arccos \frac { \mathrm { u } } { \sqrt { \mathrm { u } ^ { 2 } + 5 } } \right)tan(arccosu2+5​u​)

Find an Algebraic Expression Equivalent to the Given Expression $\tan \left( \arccos \frac { \mathrm { u } } { \sqrt { \mathrm { u } ^ { 2 } + 5 } } \right)$