Find an Algebraic Expression Equivalent to the Given Expression $\sin \left( \tan ^ { - 1 } \frac { \mathrm { u } } { 2 } \right)$

question 457

Multiple Choice

Find an algebraic expression equivalent to the given expression.
- $\sin \left( \tan ^ { - 1 } \frac { \mathrm { u } } { 2 } \right)$

• A) \(\frac { \mathrm { u } } { 2 }\)
• B) \(\frac { u \sqrt { u ^ { 2 } + 4 } } { u ^ { 2 } + 4 }\)
• C) \(\frac { \sqrt { \mathrm { u } ^ { 2 } - 4 } } { \mathrm { u } }\)
• D) \(\frac { 2 } { \mathrm { u } }\)

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