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If f((2tanx)/(1+tan^2x))=((cos2x+1)(sec^...

If `f((2tanx)/(1+tan^2x))=((cos2x+1)(sec^2x+2tanx))/(2)` then f(4) =

A

1

B

3

C

0

D

5

Text Solution

Verified by Experts

The correct Answer is:
D
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