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Write the Following as an Algebraic Expression in U, U tan⁡(cos⁡−1u3)\tan \left(\cos ^{-1} \frac{\mathrm{u}}{3}\right)

Question 386

Multiple Choice

Write the following as an algebraic expression in u, u > 0.
- tan⁡(cos⁡−1u3) \tan \left(\cos ^{-1} \frac{\mathrm{u}}{3}\right)


A) u2−9u\frac{\sqrt{u^{2}-9}}{u}

B) u9−u29−u2\frac { u \sqrt { 9 - u ^ { 2 } } } { 9 - u ^ { 2 } }

C) u29u ^ { 2 } \sqrt { 9 }

D) 9−u2u\frac { \sqrt { 9 - u ^ { 2 } } } { u }

Correct Answer:

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