Write the following as an algebraic expression in u, u 0.
-$\cos ( \arctan \mathrm { u } )$
A) $\frac { \mathrm { u } \sqrt { \mathrm { u } ^ { 2 } + 1 } } { \mathrm { u } ^ { 2 } + 1 }$
B) $\frac { \sqrt { u ^ { 2 } - 1 } } { u ^ { 2 } - 1 }$
C) $\frac { \sqrt { u ^ { 2 } + 1 } } { u ^ { 2 } + 1 }$
D) $u \sqrt { u ^ { 2 } + 1 }$

Question

Write the following as an algebraic expression in u, u > 0.
-$\cos ( \arctan \mathrm { u } )$
A) $\frac { \mathrm { u } \sqrt { \mathrm { u } ^ { 2 } + 1 } } { \mathrm { u } ^ { 2 } + 1 }$
B) $\frac { \sqrt { u ^ { 2 } - 1 } } { u ^ { 2 } - 1 }$
C) $\frac { \sqrt { u ^ { 2 } + 1 } } { u ^ { 2 } + 1 }$
D) $u \sqrt { u ^ { 2 } + 1 }$

Quizplus · Accepted Answer

The Answer of Write the following as an algebraic expression in u, u > 0.
-$\cos ( \arctan \mathrm { u } )$
A) $\frac { \mathrm { u } \sqrt { \mathrm { u } ^ { 2 } + 1 } } { \mathrm { u } ^ { 2 } + 1 }$
B) $\frac { \sqrt { u ^ { 2 } - 1 } } { u ^ { 2 } - 1 }$
C) $\frac { \sqrt { u ^ { 2 } + 1 } } { u ^ { 2 } + 1 }$
D) $u \sqrt { u ^ { 2 } + 1 }$

Write the Following as an Algebraic Expression in U, U cos⁡(arctan⁡u)\cos ( \arctan \mathrm { u } )cos(arctanu)

Write the Following as an Algebraic Expression in U, U $\cos ( \arctan \mathrm { u } )$