Matematika

Pertanyaan

lim x->0 cos(4x)sin(3x) per 5x

bantu ya kakak kakak yg bisa, limit trigonometri

2 Jawaban

  • LIMIT

    Lim cos4x . Lim sin3x/5x
    cos4×0 . 3/5
    cos0° . 3/5
    1 . 3/5
    3/5

    smg mbantu
  • lim x→0 [cos (4x) sin (3x) / (5x)]
    = lim x→0 [cos (4x)] lim x→0 [sin (3x) / (5x)]
    = cos (4·0) (3 / 5)
    = 1 (3/5) = 3/5

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