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For any real theta (sectheta+tantheta-1...

For any real `theta` `(sectheta+tantheta-1)(sec theta-tan theta+1)=......`A) 2 B)`2 sec theta` C)`2 tan theta` D)none of these

A

2

B

`2 sec theta`

C

`2 tan theta`

D

none of these

Text Solution

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The correct Answer is:
C
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