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sin[cot^(-1){cos(tan^(-1)x)}]=...

`sin[cot^(-1){cos(tan^(-1)x)}]=`

A

`sqrt((x^(2)-1)/(x^(2)+2))`

B

`sqrt((x-2)/(x^(2)+1))`

C

`sqrt((x^(2)+1)/(x^(2)+2))`

D

`1/(sqrt(x^(2)-1))`

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-INVERSE TRIGONOMETRIC FUNCTIONS-EXERCISE-II
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