Question

evaluate the double integral over the given region R
ysin(x+y)
-pi 12 years ago

Answer 1

@dan815

Answer 2

and btw I want to integrate dy first and then x, but the problem is that I forgot how to deal with sin(x+y) any refreshers?

Answer 3

While the order of integration is interchangeable here, it is best to do the x integration first. Otherwise, we'd immediately be dealing with integration by parts.