If tan theta =t, then tan 2 theta + se...

If `tan theta =t, ` then ` tan 2 theta + sec 2 theta =` ............... A) `(1+t)/(1-t)` B) `(1-t)/(1+t)` C) `(2t)/(a-t)` D) `(2t)/(1+t)`

A

`(1+t)/(1-t)`

B

`(1-t)/(a+t)`

C

`(2t)/(a-t)`

D

`(2t)/(1+t)`

Verified by Experts

The correct Answer is:

A

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