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How to find integral of tan3x

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How to find integral of tan3x

    • Posted by Nitin Rathore 7 years, 9 months ago

    CBSE > Class 12 > Mathematics
    • 2 answers

    Vikash Kumar 7 years, 9 months ago

    First let 3x as t then differentiate it w.r.to x and put the values in given equation and integrate. Final answer is ( 1/3 log l sec3x l +C )

    2Thank You

    Kalindi Yadav 7 years, 9 months ago

    For the integrand tan(3 x), substitute u = 3 x and du = 3 dx: = 1/3 integral tan(u) du The integral of tan(u) is -log(cos(u)): = -1/3 log(cos(u)) Substitute back for u = 3 x: = -1/3 log(cos(3 x))

    1Thank You

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