Mathematics

Mathematics

Problem

Simplify tan⁡θ sec⁡θ−sin⁡θcos⁡θ\displaystyle \frac{\tan\theta\,\sec\theta-\sin\theta}{\cos\theta}. a) tan⁡2θ\tan^{2}\theta b) tan⁡3θ\tan^{3}\theta c) tan⁡θ\tan\theta d) sin⁡3θ\sin^{3}\theta

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