Mathematics

Mathematics

Problem

The expression sin⁡3θcos⁡θ+sin⁡θcos⁡θ\dfrac{\sin^3\theta}{\cos\theta}+\sin\theta\cos\theta is equivalent to a) cot⁡θ\cot\theta b) sin⁡2θ\sin 2\theta c) tan⁡θ\tan\theta d) sec⁡θ\sec\theta

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