Problem

Problem

If x=nπ+(−1)nα,n∈Ix = n\pi + (-1)^n \alpha, n \in I and x=nπ+(−1)nβx = n\pi + (-1)^n \beta are the roots of 4cos⁡x−3sec⁡x=tan⁡x4\cos x - 3\sec x = \tan x , then 4(sin⁡α+sin⁡β)4(\sin \alpha + \sin \beta) is a. -1 b. 1 c. 2 d. None of these

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