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The value of 2tan^(-1)(cos e ctan^(-1)x-...

The value of `2tan^(-1)(cos e ctan^(-1)x-tancot^(-1)x)` is equal to `cot^(-1)x` (b) `cot^(-1)1/x` `tan^(-1)x` (d) none of these

A

` cot^(-1)x `

B

` "cosec"^(-1)((1)/(x))`

C

` tan^(-1)x `

D

None of these

Text Solution

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The correct Answer is:
C
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