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Let f(x) = sin^2(x//2) + cos^2(x//2) and...

Let `f(x) = sin^2(x//2) + cos^2(x//2) and g(x) = sec^2x- tan^2x`. The two function are equal over the set :

A

`phi`

B

`R-{x:x= (2n + 1)pi/2, n in z}`

C

`R=[(-oo, -1]nn{-q/(2p)}]`

D

none of these

Text Solution

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The correct Answer is:
B
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