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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`

Text Solution

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The correct Answer is:
B
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