Matematika

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sec 300° - cot 135° + cosec 330° =

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  • Bab Trigonometri
    Matematika SMA Kelas X

    sec 300° - cot 135° + cosec 330°
    = (1/cos 300°) - (1/tan 135°) + (1/sin 330°)
    = (1 : 1/2) - (1/1) + (1 : -1/2)
    = 2 - 1 - 2
    = -1

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