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If cosec39^(@)=x, then the value of (1...

If `cosec39^(@)=x`, then the value of
`(1)/(cosec^(2)51^(@))+sin^(2)39^(@)+tan^(2)51^(@)-(1)/(sin^(2)51^(@)sec^(2)39^(@))` is.

A

`sqrt(x^2-1)`

B

`x^2-1`

C

`1-x^2`

D

`sqrt(1-x^2)`

Text Solution

Verified by Experts

The correct Answer is:
A
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