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Absolutely Geometric (Posted on 2007-12-21) Difficulty: 3 of 5
In triangle PQR, the respective length of the sides PQ and PR are denoted by u and v while the length of the median PS is denoted by w. It is known that w is the geometric mean of u and v, and Angle QPR = 60o.

Determine |cos(Angle PQR) - cos(Angle QRP)|, where |x| denotes the absolute value of x.

See The Solution Submitted by K Sengupta    
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  Subject Author Date
re: SolutionK Sengupta2008-03-08 12:02:23
re: Look forward!K Sengupta2008-03-08 12:01:45
Some ThoughtsLook forward!Chesca Ciprian2007-12-22 05:22:58
SolutionCos and median theorem!Chesca Ciprian2007-12-21 15:15:19
SolutionSolutionBractals2007-12-21 15:09:56
Some Thoughtsapproximate solutionCharlie2007-12-21 12:41:11
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