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2 articles trouvés pour ce sujet.
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Counterclockwise |
2001-09-14 |
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Rolanda pose la question :
When Descartes invented the coordinate system he decided to number them counter-clockwise. Why?
Chris Fisher lui répond. |
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Intersection of planes |
1998-11-22 |
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Dave Rasmussen pose la question :
I am a teacher of secondary mathematics with a question about the uses of Three Dimensional Co-ordinate Geometry. I have been teaching my students to write equations of planes and lines, - to find the intersection of these and the distance between them. What I am having difficulty finding are good applications of these techniques to "real world" situations. Can anybody help me?
Walter Whiteley and Harley Weston lui répond. |
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