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Forum: Science, Math, and Philosophy

11-25-2007, 11:23 AM

Replies: 18

Two Olympiad Problems

Views: 353

Posted By TomCowley

Re: Two Olympiad Problems

[ QUOTE ]
Here is the way that requires neither geometrical ingenuity nor taking second derivatives of trigonemetric functions. (If Tom Cowley does that again his reign here will be short lived.) ...

Forum: Science, Math, and Philosophy

11-23-2007, 03:38 AM

Replies: 18

Two Olympiad Problems

Views: 353

Posted By TomCowley

Re: Two Olympiad Problems

Given a triangle ABC, area = 1/2AB^2(Sin A)(Sin B)/(Sin C). For any triangle, holding AB and Sin C (the opposite angle) constant, and performing an infinitesimal change in angles A and B has the...

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