If .Then, show and are in harmonic…

MATHEMATICS · Subjective · CBSE · Mathematics · Trigonometric Functions · Trigonometric Functions

Problem

If 2sin⁡αcos⁡βsin⁡γ=sin⁡βsin⁡(α+γ)2 \sin \alpha \cos \beta \sin \gamma = \sin \beta \sin(\alpha + \gamma) .Then, show tan⁡α,tan⁡β\tan \alpha, \tan \beta and tan⁡γ\tan \gamma are in harmonic progression.

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