y=2x*arctan(y/x)确定y=y(x),求y',y’’
y=2x*arctan(y/x),求y‘’
已知函数y(x)由方程arctan y/x=1/2ln(x^2+ y^2)确定,求dy.
设方程x-y+arctan y=0确定了y=y(x),求dy/dx.
arctan(y)=x+1, y=?
1,y=e^tanxcos^3x,求dy 2,函数y=y(x)由方程e^(x+y)+arctan(xy)=0确定,求dy
隐函数求导y=2x*arctan(y/x)
arctan(y/x)=(ln(X^2+Y^2))/2 求y的导数
请问y=arctan(1-x),求y'
arctan(x,arctan(x,y)是不是等于arctan(x/y)?
0.5ln(x2+y2)=arctan(y/x),(x≠0,x≠y),求y’.
y=arctan(x^2+1)
求由ln√(x^2+y^2)=arctan√(y/x)确定的隐函数y=f(x)的导数