Matematika

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Helppp me pr besokk
SMA kelas X
Helppp me pr besokk SMA kelas X

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1 Jawaban

  • COS 30 = AB : AD
    AB = AD. COS 30

    COS 45 = AC : AB
    COS 45 = AC : AD.COS 30
    COS 30 . COS 45 . AD = AC
    AD =
    [tex] \frac{ac}{ \cos(30). \cos(45) } [/tex]



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