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Question

Mathematics Question on Sets

The set of values of xx for which tan3xtan2x1+tan3xtan2x=1\frac{tan 3x - tan 2x}{1+ tan 3x\,tan2x} = 1 is

A

ϕ\phi

B

{ π4\frac{\pi}{4} }

C

{ nπ+π4,n=1,2,3,...n\pi + \frac {\pi}{4} , n = 1,2, 3,... }

D

{ 2nπ+π4,n=1,2,3,...2n\pi + \frac {\pi}{4} , n = 1,2, 3,... }

Answer

ϕ\phi

Explanation

Solution

Answer (a) ϕ\phi