Recent content by ko12sd

okay, so the spoiler thing kinda screws it up a bit. The point is it came out right as a binomial. :)

Hmm... When I saw this I thought maybe it's a binomial problem, but I forgot the conditions since last year's AP exam, so I looked the up and here they are: 1: The number of observations n is fixed. 2: Each observation is independent. 3: Each observation represents one of two...

Our teacher had us memorize the unit circle in both degrees and radians. I think this is pretty common, but anyway there's one on Wikipedia that gives it in both measures. Here's a link: http://en.wikipedia.org/wiki/Unit_circle. (x,y) = (cos(t), sin(t)) It's huge and about halfway down the page...