Spherics in the Islamic World

J. L. Berggren
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J. L. Berggren: Simon Fraser University, Department of Mathematics and Statistics

Chapter Chapter 6 in Episodes in the Mathematics of Medieval Islam, 1986, pp 157-188 from Springer

Abstract: Abstract The problems of spherics ask for the calculation of the sizes of circular arcs or angles on the surface of a sphere. In applications, the sphere was cither the celestial sphere or the earth, the former being a sphere that was thought to contain the fixed stars and to have such a large radius that, in relation to it. the earth was no more than a dot. However, the radius was finite and, for mathematical purposes, could be taken as the unit.

Keywords: Great Circle; Stereographic Projection; Spherical Triangle; Islamic World; Spherical Trigonometry (search for similar items in EconPapers)
Date: 1986
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DOI: 10.1007/978-1-4612-4608-4_6

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