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Trigonometri Integral (Mudah)?

integral (cot 3x + csc 3x)^2 dx = ......

*poin + bintang 5 untuk penjawab tercepat dan tertepat :)

Update:

Satu lagi

integral (tan^2 (2x-1) + 4) dx = ...

Update 2:

* tertepat itu yang ngasih jawaban serius bukan cuma kasih pendapat - - "

2 Answers

Rating
  • 9 years ago
    Favorite Answer

    int(cot3x+csc3x)dx = 1/3 ln[sin3x] + 1/3 ln[csc3x - cot3x] + c

    int(tan^2 (2x-1) + 4)dx = int(sec^(2x-1) - 1 + 4)dx

    = 1/2 tan(2x-1) + 3x + c

  • 9 years ago

    Sekedar pendapat : menurutku gk ada arti kata tertepat. Kalo tepat itu sudah benar. Tidak ada yg paling benar. Apalagi buat jawaban pelajaran matematika. Hanya ada 1 yg benar bukan terbenar.

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