Trigonometry in the Islamic World

J. L. Berggren ()
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J. L. Berggren: Simon Fraser University, Department of Mathematics

Chapter Chapter 5 in Episodes in the Mathematics of Medieval Islam, 2016, pp 155-188 from Springer

Abstract: Abstract The branch of elementary mathematics whose origins most clearly lie in astronomy is trigonometry, for there is no trace of this subject until Hellenistic astronomers devised geometrical models for the motion of the sunDaily motion of sun , moon, and five known planets required calculating the values of certain sides and angles of a triangle from other, given, ones. Astronomers of ancient India also used the Greek models and therefore faced the same mathematical problems, and it is the astronomical handbooks, or commentaries on them, by Greek and Indian authors, that furnish most of our record of the early history of trigonometry.

Keywords: Linear Interpolation; Trigonometric Function; Sine Function; Pythagorean Theorem; Islamic World (search for similar items in EconPapers)
Date: 2016
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DOI: 10.1007/978-1-4939-3780-6_5

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