Prove that sin^3 x + sin^3 (2pie/3 -x) - sin^3(4pie/3 +x) = -3/4 sin 3x

Asked by komal | 27th Jun, 2016, 07:33: AM

Expert Answer:

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Answered by satyajit samal | 29th Jun, 2016, 12:23: PM

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