If 5x=sectheta and (5)/(x)=tan theta, th...

If `5x=sectheta and (5)/(x)=tan theta`, then `x^(2)-(1)/(x^(2))` is equal to

A

25

B

`(1)/(25)`

C

5

D

1

Verified by Experts

The correct Answer is:

B

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