Matematika

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Buktikan identitas trigonometri berikut ini..Sin D cos D sec D csc D = 1

1 Jawaban

  • [ D = x ]

    sinx . cosx . secx . cscx = 1

    sinx . cosx . (1/cosx) . (1/sinx) = 1

    sinx(1/sinx) . cosx(1/cosx) = 1

    1 . 1 = 1

    1 = 1

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