That's the Euler Formula at work:
an irreducible integral of despond
e^ix = cos x + i sin x
And he's quoting a special case of the Euler Formula where x = pi, and since sin pi=0, you get e^i*pi = cos pi = -1.
(Yeah, I had to look this up somewhat.)
--LAN3 Sun Dec 19 14:18:24 2004
e^(pi*i) = -1 is one of my math professor's favorite equation, probably why he teaches Complex Analysis...I'm not really looking forward to that class next semester.
--Candi Sun Dec 19 23:08:50 2004
I haven't even read past the first sentence, and I run into esoteria. Amazing!
--Mr. Lex Mon Dec 20 10:35:59 2004
That 'whoosh' was the sound of the highway over my head.
But this IS interesting!
--kluless Mon Dec 20 14:57:09 2004
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