# Math Help - Partial Differentiation

1. ## Partial Differentiation

if $y e^{xy} = Sinx$ find dy/dx and d $^2$y/dx $^2$ at (0,0)

2. $\frac {dy} {dx}e^{xy}+ ye^{xy} (y+x \frac {dy} {dx})=cosx$

Solve for dy/dx and try the second derivative.