How To Use Spherical triangle In A Sentence

• Applying MDT API, the method of the developing CAD system is discussed with emphasis on. The spherical triangle arithmetic is presented hi the fixture assembled vision calculation of space angle.
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• In this article, respectively derive the four-part formulae from geometry, algebra and vector viewpoints and then use it to directly infer formulae of Napier's rule 2 of special spherical triangle.
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• This work is really the first in history on trigonometry as an independent branch of pure mathematics and the first in which all six cases for a right-angled spherical triangle are set forth.
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• Similar substitutions convert the first law of cosines for trihedrals into the law of cosines for the sides of spherical triangles.
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• Dr. Hakewill, in his Apology, tells you Harriot was the first that squared the area of a spherical triangle; and I can tell you, by the perusal of some papers of Torporley's it appears that Harriot could make the sign of any arch at demand, and the converse, and apply a table of sines to solve all equations, and treated largely of figurate arithmetic. Thomas Hariot
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