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If x lt 0." then "tan^(-1)x is equal to...

If `x lt 0." then "tan^(-1)x` is equal to

A

`-pi+cot^(-1)""1/x`

B

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

C

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

D

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

Text Solution

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The correct Answer is:
A, B, C
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