Conic section - Wikipedia, the free encyclopedia
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In mathematics, a conic section (or just conic ) is a curve obtained by intersecting a cone (more precisely, a right circular conical surface) with a plane. In analytic geometry, a conic may be de...
en.wikipedia.org/wiki/Conic_section
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No important scientific applications were found for them until the 17th century, when Kepler discovered that planets move in ellipses and Galileo proved that projectiles travel in parabolas. ... All three conic sections can be characterized by moiré patterns. If the center of each of two sets of concentric circles is...
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britton.disted.camosun.bc.ca/jbconics.htm
britton.disted.camosun.bc.ca/jbconics.htm
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The Greeks discovered the properties that define conics in terms of points and lines. These properties are important tool for current day problems with the behaviors of atoms, molecules and outer space. Particles that move under the influence of an inverse square force field has a path that is described by conic sections.
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math.about.com/library/blconic.htm
math.about.com/library/blconic.htm
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Conic sections are among the oldest curves, and is a oldest math subject studied systematically and thoroughly. The conics seems to have been discovered by Menaechmus (a Greek, c.375-325 BC), tutor to Alexander the Great.
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xahlee.org/SpecialPlaneCurves_dir/ConicSections_dir/con...
xahlee.org/SpecialPlaneCurves_dir/ConicSections_dir/conicSections.html
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CONIC SECTIONS - Chantai Campbell 20:57:52 12/07/102 ... Who discovered conic sections - Luv 4 Wes 15:43:37 4/22/100 ... Re: Who discovered conic sections - kiira 18:01:54 5/30/101...
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mobydicks.com/lecture/Apolloniushall/wwwboard23.html
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This web page is intended to be a resource for teachers and students who want to go beyond the usual textbook treatment of conic sections. A bit of history, examples of applications, helpful websites, ... The Ancient Greeks knew about the conic sections, the family of curves created when a plane slices through a cone.
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jwilson.coe.uga.edu/EMAT6680/Sloan/emat%20project%20sit...
jwilson.coe.uga.edu/EMAT6680/Sloan/emat%20project%20site/Conic%20Section%20Project.htm
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The knowledge of conic sections can be traced back to Ancient Greece. Menaechmus is credited with the discovery of conic sections around the years 360-350 B.C.; ... In addition to this quotation appearing in Eutocius' commentary on Archimedes, Proclus confirms that conics were discovered by Menaechemus (Heath, 1961, xix) ...
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www.math.rutgers.edu/~cherlin/History/Papers1999/schmar...
www.math.rutgers.edu/~cherlin/History/Papers1999/schmarge.html
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Introduction to Conic Sections Jody H. Bradfor ... There are many examples of the curves called conic sections in nature.This picture from the hubble telescope shows some ellipse shapes. This lesson explores information on conic sections from several websites.
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www.glynn.k12.ga.us/~katiea/teacherwebpgs/bradfordconic...
www.glynn.k12.ga.us/~katiea/teacherwebpgs/bradfordconic.html
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Plotting Conic Sections - powered by WebMath ... A conic section can be one of four things: a circle, parabola, ellipse, or hyperbola. The links below will help you visualize (plot) any of these conic sections.
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www.webmath.com/conic.html
www.webmath.com/conic.html
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