(e^x)+y=x+sinx
=> y=x+sinx-e^x
=> dy/dx=1+cosx-e^x
u=sin(x+y),
du/dx=cos(x+y)*(1+dy/dx)
=cos(x+y)*(1+1+cosx-e^x)
=cos(x+y)*(2+cosx-e^x)
(e^x)+y=x+sinx
=> y=x+sinx-e^x
=> dy/dx=1+cosx-e^x
u=sin(x+y),
du/dx=cos(x+y)*(1+dy/dx)
=cos(x+y)*(1+1+cosx-e^x)
=cos(x+y)*(2+cosx-e^x)