已知ysinx-cos(x+y)=0,求在点(0,π/2)的dy/dx值
已知ysinx-cos(x+y)=0,求在点(0,π)的dy/dx值
已知ysinx-cos(x+y)=0,求在点(0,π/2)的dy/dx值
ysinx-cos(x+y)=0,求 dy/dx
ysinx+cos(x-y)=0,求dy/dx|(x=π/2)
由方程ysinx-cos(x+y)=0确定隐函数y(x),求dy|(0,π/2)
求由方程ysinx-cos(xy)=0所确定的隐函数y=y(x)的导数dy/dx
ysinX=cos(X—y)求导数dy/dX
求函数的微分或导数!1,设ysinx-cos(x-y)=0,求dy解利用一阶微分的形式的不变性求得d(ysinx)-dc
求解微分方程y'cosx+ysinx=0 求解微分方程dy/dx=y/(x+y的平方)
x=2sin(t),y=cos(t+pie),求dy/dx,和d^2y/dx^2,在点(0,-1)
求微分方程 cosx(dy/dx)+ysinx-1=0 的通解,
已知y=cos^4(2x+π/3),求dy/dx