设y=e^cos^2*1/x,求dy

设y=e^cos^2*1/x,求dy 设y=e^(-x) cos 1/x,求dy. 设y=cos(x^2+e^x)求dy 设y=e^cos^21/x,求dy 设y=cos^2(x+1),求dy 设函数y=e^2x+cos x求倒数y'与微分dy 设y=cos根号下x,减去e的负2x方,求dy 设y=cos√x - e^(-2x) 求dy, 设y=e^1-2x sinx,求dy 求导数 设y=e^(1-3d^2(x))cos(1+lnx^2) 求dy 设y=[e^x+e^(-x)]^2,求dy 设e^(x+y)+cos(xy)=0确定y是x的函数求dy 设x=e'sin t,y=e'cos t,求dy/dx. 设Y=cos根号X-e负X平方 ,求 DY 设 y=e^x - ln cos x.求dy 速度 设y=e^(-x)cos(3-x),求dy 详细些 设y=ln(1+e^-x)求dy 设y=e∧1/x+sin2x,求dy