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

question 91

Multiple Choice

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) \(\frac { \sqrt { 5 } } { u }\)

Analyze the impact of competition within and between unions on workers and the labor movement.

Grasp the concepts of union and corporate democracy and compare their functionalities.

Understand the role and significance of national unions within the labor movement.

Appreciate the importance of union democracy in the administration and legitimacy of labor unions.

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