Matematika

Pertanyaan

tan 360 · cos(-120) = ...

1 Jawaban

  • Tan 360 = tan ( 360 + 0 )
    =Tan 0
    = 0
    Cos (120) = cos (180-60)
    = - cos 60
    = - 1/2
    tan 360. Cos (-120) = 0 . - (-1/2)
    = 0 . 1/2
    = 0

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