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What is (1-"tan"^(2)(x)/(2))/(1+"tan"^(2...

What is `(1-"tan"^(2)(x)/(2))/(1+"tan"^(2)(x)/(2))`equal to :

A

sinx cosx

B

tanx

C

sinx

D

cosx

Text Solution

Verified by Experts

The correct Answer is:
D
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