If log(x2+y2)=2tan-1(y/x), then show that dy/dx=x+y/x-y.
If x= 3sint-sin3t, y= 3cost-cos3t, find d^2y/dx^2 at t=pi/3
find derivative of y = log {tan(pie/4 + x/2)}
If log(x2+y2)=2tan-1(y/x), then show that dy/dx=x+y/x-y.
If x= 3sint-sin3t, y= 3cost-cos3t, find d^2y/dx^2 at t=pi/3
find derivative of y = log {tan(pie/4 + x/2)}
Find d2y/dx2