Can I get all the y's and dy's on one side, and can I get all the x's and dx's on the other side? And this one seems like it is. If I multiply both sides by dx, where you can view dx as the x differential of an infinitely small change in x, well then you get cosine of y plus two times dy is equal to two x times dx. So just like that, I've been able to, all I did is I multiplied both sides of this times dx. And I was able to separate the y's and the dy's from the x's and the dx's. And now I can integrate both sides. So if I integrate both sides, what am I going to get?