设y=e-xcoSx,求y‘
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根据链式法则:y' = (-e-x)coSx + e-x(-sinx)化简得:y' = -e-x(coSx + sinx)
咨询记录 · 回答于2023-03-05
设y=e-xcoSx,求y‘
根据链式法则:y' = (-e-x)coSx + e-x(-sinx)化简得:y' = -e-x(coSx + sinx)
根据链式法则:y' = (-e-x)coSx + e-x(-sinx)化简得:y' = -e-x(coSx + sinx)