设y=sin^2•e^arctanx.求dy/dx

设y=sin^2•e^arctanx.求dy/dx 设f x 为可导函数,y=f^2(x+arctanx),求dy/dx x=sin(y/x)+e^2 求dy/dx 设f(x)可导,且f'(0=1,又y=f(x^2+sin^2x)+f(arctanx),求dy/dx /x=0 设x=e'sin t,y=e'cos t,求dy/dx. 数学题求dy/dx设 f'(x)=sin√x 定义（x>0）,又y=f[e^(2x)]求dy/dx 设sin(x+y)=xy,求dy/dx. sin(xy)+y^2-e^2 求dx/dy y=f[(x-1)/(x+1)],f'(x)=arctanx^2,求dy/dx,dy 设y=y(x)由方程e^xy+sin(xy)=y确定,求dy/dx. 设函数y=f(x)由方程sin(xy)+e^(x+y)=0确定,求dy/dx 设x=e^-t y=e^-2t 求dy/dx