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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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re: Solution Comment 6 of 6 |
(In reply to Solution by Bractals)

Thanks Bractals.

I have hyperlinked your methodology in my solution.


  Posted by K Sengupta on 2008-03-08 12:02:23
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