(1 + cot + tan )(sin - cos ) whole upon sin^3 - cosec^3 = sin^2cos^2(adsbygoogle = window.adsbygoogle || []).push({});

prove this . ( assume theta is front of all functions ) , i dont know where to start :/

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# Homework Help: (1 + cot + tan )(sin - cos ) whole upon sin^3 - cosec^3

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