Matematika

Pertanyaan

jika cot 27° = p hitunglah nilai csc 477°

1 Jawaban

  • Bab Trigonometri
    Matematika SMA Kelas X

    cot 27° = p/1 = x/y

    r = √(x² + y²)
    r = √(p² + 1²)
    r = √(p² + 1)

    cosec 477° = cosec (1 x 360° + 117°)
    cosec 477° = cosec 117°
    cosec 477° = cosec (90° + 27°)
    cosec 477° = sec 27°

    sec 27° = r/x = (√(p² + 1)) / p

    jadi, cosec 477° = (√(p² + 1)) / p

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