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    what will be the differentiation of cos²2x?

    Nibha kumari 13th May, 2021
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    Answer (1)
    Palak kumari 13th May, 2021

    Hi there,
    According to the formulas of differentiation:-
    Cos²2x
    => using the chain rule we'll get:-
    => -2cos2x * sin2x * 2
    => -4cos2x *Sin2x
    => -2Sin4x (since, sin2x=2Sinxcosx)
    Hope it helps!

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