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wu :: forums    riddles    putnam exam (pure math) (Moderators: SMQ, towr, Icarus, Grimbal, Eigenray, william wu)    Another Sine Product « Previous topic | Next topic » Pages: 1  Reply Notify of replies Send Topic Print    Author  Topic: Another Sine Product  (Read 553 times) CSter Newbie     Posts: 2 Another Sine Product   « on: May 18th, 2004, 4:24pm » Quote Modify Here is a sine product formula that I've run across:   n = 2n-1[prod]k=1n-1sin(k[pi]/n)   Anyone familiar with it? Can you prove it? IP Logged Icarus wu::riddles Moderator Uberpuzzler Boldly going where even angels fear to tread.     Gender: Posts: 4863 Re: Another Sine Product   « Reply #1 on: May 18th, 2004, 10:18pm » Quote Modify See my post in the other thread. IP Logged "Pi goes on and on and on ... And e is just as cursed. I wonder: Which is larger When their digits are reversed? " - Anonymous Pages: 1  Reply Notify of replies Send Topic Print Forum Jump: ----------------------------- riddles -----------------------------  - easy   - medium   - hard   - what am i   - what happened   - microsoft   - cs => putnam exam (pure math)   - suggestions, help, and FAQ   - general problem-solving / chatting / whatever ----------------------------- general -----------------------------  - guestbook   - truth   - complex analysis   - wanted   - psychology   - chinese « Previous topic | Next topic »

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