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If -1 lt x lt 0," then "cos^(-1)x is equ...

If `-1 lt x lt 0," then "cos^(-1)x` is equal to

A

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

B

`pi-sin^(-1)sqrt(1-x^(2))`

C

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

D

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

Text Solution

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The correct Answer is:
A, B, C, D
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