高数齐次方程问题xy'sin(y/x)+x=ysin(y/x)Cx=e^cos(y/x)
Z=x*sin xy+e^x+y或设y=(x)是由方程xy+sin x+sin y=1确定,求y”
Matlab编程问题 cos(x*y)*cos(x*(1-y))-0.5x*sin(x*y)*sin(x*(1-y))=
设隐函数y=y(x)由方程x^y-e^y=sin(xy)所确定,求dy
设方程e^(x+y) + sin(xy) = 1 确定的隐函数为y=y(x),求y'和y'|x=0
方程求导y=x/(x2+1)y=x²sin²(3x+2)y=ax(x方)cos³3xy=㏒
设y=y(x)由方程e^xy+cos(xy)=y确定,求dy(0).
设y=y(x)由方程e^xy+sin(xy)=y确定,求dy/dx.
sin(x+y)sin(x-y)=k,求cos^2x-cos^2y
证明COS(X+Y)COS(X-Y)=COS^2X-SIN^2Y
解方程x*x+xy=y+y*y
设函数y=f(x)由方程sin(xy)+e^(x+y)=0确定,求dy/dx
,.设y=y(x)是由方程e^x-e^y=xy所确定的隐函数 求y'(0)另一题设y=y(x)由参数方程x=cos t和