It covered a bunch of stuff, but the important part was that the class was a prerequisite for your physics course ... Maybe you can use the double angle formula and you don't have a problem ...

as Tim Gershon explains When is a triangle not a triangle? Believe it or not, this peculiar riddle encapsulates much of the latest research in particle physics. The triangle in question is the ...

Well, by new I mean a new proof of something old, and it's a surprising proof using physics. In 1655, English mathematician John Wallis published his now famous infinite product formula for π ...