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An introduction to Spherical Trigonometry, including distances and angles on a sphere, declinations, latitudes, sunrise, sunser positions and the sundial. ... Spherical Trigonometry deals with triangles drawn on a sphere. The subject originated in the Islamic Caliphates of the Middle East, North Africa and Spain during the...
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www.krysstal.com/sphertrig.html
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The formulas of spherical trigonometry were programmed into the computers and allowed users to use the results without knowing anything about the formulas or their derivation.
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www.sjsu.edu/faculty/watkins/sphere.htm
www.sjsu.edu/faculty/watkins/sphere.htm
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I used spherical trigonometry to calculate all the angles for the 48 and the 120 LCD spherical triangles of the vector equilibrium and the icosahedron generated by the primary great circles. The presentation given here is far from complete and provides no proofs of the relations stated.
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www.rwgrayprojects.com/rbfnotes/trig/strig/strig.html
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One of the primary concerns in astronomy throughout history was the positioning of the heavenly bodies, for which spherical trigonometry was required. The diagrams below show trihedrals, polyhedra with triangular sides.
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www.hps.cam.ac.uk/starry/sphertrig.html
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3. SPHERICAL TRIGONOMETRY FORMULAS ... The basic classical formulas are based on a spherical triangle, which is a figure on the surface of the sphere enclosed by three arcs of great circles (see Fig. 1.) ... Spherical trigonometry formulas...
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www.boeing-727.com/Data/fly%20odds/distance.html
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Pages in category "Spherical trigonometry" ... Main article: Spherical trigonometry ... Wikimedia Commons has media related to: Spherical trigonometry...
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en.wikipedia.org/wiki/Category:Spherical_trigonometry
en.wikipedia.org/wiki/Category:Spherical_trigonometry
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"Spherical Trigonometry." §12 in VNR Concise Encyclopedia of Mathematics, 2nd ed. New York: Van Nostrand Reinhold, pp. 261-282, 1989. ...
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mathworld.wolfram.com/SphericalTrigonometry.html
mathworld.wolfram.com/SphericalTrigonometry.html
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The program supports input of three sites and calculates the three arc distances, the area of the spherical triangle and the bearings between sites. ... Spherical Trigonometry; Arc Distance Formulas ... ARC_CALC_3 — Spherical Trigonometry Calculator by James Q. Jacobs...
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www.jqjacobs.net/astro/arc_form.html
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The following is a short review of spherical trigonometry, celestial navigation, and great circle sailing. The solution of the navigation triangle (section C) can be used for great circle course determination and for determining a location of the observer from astronomical observations.
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www.angelfire.com/nt/navtrig/index.html
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