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 Topic: descartes
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6 items are filed under this topic.

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 Three circles 2007-09-29 From Kevin:3 given circles of R80, R56 & R24 are all in contact. The 2 smaller ones are inscribed in the big one. Find by calculation or graphically (both if possible) the radiusof a 3rd circle which will be in contact with all 3 given circles.Answered by Chris Fisher. Who was the mathematician that united algebra and geometry? 2007-05-08 From Victor:who was the mathematician that united algebra and geometryAnswered by Penny Nom. Counterclockwise 2001-09-14 From Rolanda:When Descartes invented the coordinate system he decided to number them counter-clockwise. Why?Answered by Chris Fisher. Uniting algebra and geometry 2000-04-16 From Beth:Who is the mathmatician that united algebra and geometry???Answered by Claude Tardif. All the roots of x^6 - 64 2000-04-15 From Dakota:Find ALL zeros of P(x) = x 6 - 64Answered by Walter Whiteley. Cos(x) Cos(2x) Cos(4x)=1/8 1997-09-24 From Tan Wang:How many distinct acute angles x are there for which cosx cos2x cos4x=1/8? Answered by Chris Fisher Harley Weston and Haragauri Gupta.

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