यदि cos ^(-1) "" (1)/(x) = 0 तो tan thet...

यदि `cos ^(-1) "" (1)/(x) = 0` तो `tan theta` बराबर होगा -

A

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

B

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

C

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

D

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

लिखित उत्तर

Verified by Experts

The correct Answer is:

D

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