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Fungsi dan Grafik Diferensial dan Integral - Ee-cafe.org

Fungsi dan Grafik Diferensial dan Integral - Ee-cafe.org

Fungsi dan Grafik Diferensial dan Integral - Ee-cafe.org

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Gb.7.1. memperlihatkan kurva fungsi cosinus. Jika fungsi cosinus ini kitageser ke arah positif sebesar ¼ perioda kita akan mendapatkan fungsisinus. Gb.7.2.⎛ π ⎞⎛ 2πt⎞y = Acos⎜ωt− ⎟ = Asinωt= Asin⎜⎟⎝ 2 ⎠(7.4)⎝ T0⎠yAT 000 t-AGb.7.1. <strong>Fungsi</strong> cosinusy⎛ 2πt⎞y = Acosωt= Acos⎜⎟⎝ T0⎠AT 000 t-AGb.7.2. <strong>Fungsi</strong> sinus⎛ 2πt⎞ ⎛ π ⎞y = Asinωt= Asin⎜⎟= Acos⎜ωt− ⎟⎝ T0⎠ ⎝ 2 ⎠Pergeseran fungsi cosinus sebesar T s diperlihatkan pada Gb.7.3.Persamaan kurva cosinus tergeser ini adalahy = Acosω⎛ 2πt( t − T ) = Acos⎜−ssT ⎟ 0 T0⎠⎝2πT⎞20 Sudaryatno Sudirham, <strong>Fungsi</strong> <strong>dan</strong> <strong>Grafik</strong>, <strong>Diferensial</strong> <strong>dan</strong> <strong>Integral</strong>

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