Hi,

I'm just doing a past paper but i don't have the mark scheme would anyone be kind enough to double check my answer:

Question: Differentiate $\displaystyle (e^x)/(sin(x) + cos(x))$

MyAnswer: $\displaystyle (e^x(sin(x) + cos(x)) + e^x(cos(x) - sin(x)))/((sin(x) + cos(x))^2)$