• Bab Trigonometri
    Matematika SMA Kelas X

    0 < x < 2π

    pada kuadran I
    sin x = 1/2
    x = π/6

    pada kuadran II
    sin x = 1/2
    x = 5π/6

    HP = { π/6, 5π/6 }
  • Sin x = 1/2
    0 < x < 2phi
    Sin Kuadran 1 = 30°phi/180° = phi/6
    Sin Kuadran 2 = 150°phi/180° = 5phi/6

    Jadi Hp = { phi/6 , 5phi/6 }

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