Math Help - Trigonometric Integration

1. Trigonometric Integration

Hey guys, I hope I've posted this in the correct forums, I got stuck with this wile doing something a bit more complex and its driving me insane, How would you go about integrating "Sin (x + y) dy" and Sin (x + y) dx"
Many thanks,
Jake

2. haha, got it, sorry about wasting anyones time!
ty all

3. Well, that makes sense as a double integral.