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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

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

C

`x^(2)-1`

D

`1-x^(2)`

Text Solution

Verified by Experts

The correct Answer is:
C
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KIRAN PUBLICATION-TRIGONOMETRY -TYPE - II
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