This is mainly for anyone still interested in the proofs, since this website sums them up quite nicely.
http://www.purplemath.com/modules/howcan1.htm
There are a few there that I haven't mentioned, and are from other branches of mathematics. It also has an infinite series proof which is pretty cool.
http://www.purplemath.com/modules/howcan1.htm
There are a few there that I haven't mentioned, and are from other branches of mathematics. It also has an infinite series proof which is pretty cool.