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Matematika

Pertanyaan

Diket tan alfa=akar 2 hitunglah sin cos cot ses csc alfa

1 Jawaban

  • Bab Trigonometri
    Matematika SMA Kelas X

    tan A = √2/1 = y/x
    r = √(x² + y²)
    r = √(1 + (√2)²)
    r = √3

    sin A = y/r = √2/√3 = 1/3 √6
    cos A = x/r = 1/3 √3
    sec A = r/x = √3
    cot A = x/y = 1/2 √2
    cosec A = r/y = √3/√2 = 1/2 √6

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