Matematika

Pertanyaan

Integral 2sin^2 1/2x dx

1 Jawaban

  • InTegraL

    cos x = cos 2(x/2) = 1 - 2 sin² (x/2)
    2 sin² (x/2) = 1 - cos x

    ∫(2 sin² (x/2)) dx
    = ∫(1 - cos x) dx
    = x - sin x + C

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