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The prinicipal value of "cosec"^(-1...

The prinicipal value of ` "cosec"^(-1)(-sqrt(2))` is -

A

`-(pi)/(4) `

B

`(3pi)/(4)`

C

`-(pi)/(3)`

D

`(2pi)/(3)`

Text Solution

Verified by Experts

The correct Answer is:
A
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