ijustwantedoneanswer ijustwantedoneanswer

11-03-2017
Mathematics

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How would you verify tan3x = (3tanx - tan^3 x) / ( 1 - 3tan^2 x) and sin4x = (cosx)(4sinx - 8sin^3x) step-by-step?

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AbhiGhost AbhiGhost

11-03-2017

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