Mathematics

Mathematics

Problem

The expression sin⁡8θcos⁡θ−sin⁡6θcos⁡3θcos⁡2θcos⁡θ−sin⁡3θsin⁡4θ\frac{\sin 8\theta \cos \theta - \sin 6\theta \cos 3\theta}{\cos 2\theta \cos \theta - \sin 3\theta \sin 4\theta} is equals- (1) tan⁡θ\tan \theta (2) tan⁡2θ\tan 2\theta (3) sin⁡2θ\sin 2\theta (4) None of these

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