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(1 + tan^(2) theta)/(1 - tan^(2) theta)=...

`(1 + tan^(2) theta)/(1 - tan^(2) theta)=`

A

`cos^(2) theta`

B

`cos 2 theta`

C

`sec^(2) theta`

D

`sec 2 theta`

Text Solution

Verified by Experts

The correct Answer is:
D
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