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Contoh Soal Grafik Fungsi Trigonometri Berserta Jawabannya

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Contoh Soal Grafik Fungsi Trigonometri Berserta Jawabannya

  1. 1. Persamaan grafik fungsi pada gambar adalah :Jawab :x = 150 → y= -sin 2 (x −15)0 = -sin 00 = 0 �benarx = 1050 → y= -sin 2 (x −15)0 = - sin 1800 = - sin(1800 - α ) →α = 00maka - sin 1800 = -sin 00 = 0 �benarNilai minimum y= -1 yaitu di x = 600x = 600 → y= -sin 2 (x −15)0 = - sin 900 = - 1 �benarNilai maximum y= 1 yaitu di x = 1500x = 1500 → y= -sin 2 (x −15)0 = - sin 2700 = - sin(1800 +α )= sin α = 1 �benar

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