Recent content by hotwater

Homework Statement In Example 3 under Theorem 2.5 of Apostol's Calculus Volume 1, I don't understand how the final formula on the right is obtained.Homework Equations The identity cos 2x = 1 - 2 sin2 x implies sin2x = 1/2(1 - cos 2x) so, from Example 2, we obtain: \int^a_0\,sin^2\,x\,dx =...

Update: Well, apparently the problem is just that the preview doesn't work on this site. The actual post is fine. Homework Statement I can't use this forum well, because any latex tags I type in are removed. For example, see the tex code below. In the preview (and probably in the real post...