F'(x)=siny+ye^x
f'(y)=xcosy+e^x
Derivada-f '(x )/f '(y)=(-siny-ye x)/(xcosx+e x)
Entonces y=f(x) x=0.
f'(0)=(-siny-y)/(1)
=-siny-y
F'(x)=siny+ye^x
f'(y)=xcosy+e^x
Derivada-f '(x )/f '(y)=(-siny-ye x)/(xcosx+e x)
Entonces y=f(x) x=0.
f'(0)=(-siny-y)/(1)
=-siny-y