Matematika

Pertanyaan

Tentukan nilai fungsi f(x)= cos x-sin x ;jika x = v per 3

1 Jawaban

  • cos(π/3) = 1/2
    sin(π/3) = 1/2 (√2)

    f(π/3) = cos(π/3) - sin(π/3)
              = 1/2  -  √2 / 2
              = [1 - √2] / 2

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