Report - TKD Saintek - rumahbelajardaniel.id fileDiketahui : Waktu perhitungan ... 1 cos( x ), maka dx df(x) = 2 (1 – cos(x2)). sin (x2) . 2x = 4x. (1 –cos(x2)). sin (x2) ... 7. = a, a

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