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Search by topic:   18743. History of Trigonometry. This paper provides an overview of the history of trigonometry, the branch of mathematics that involves the measurement of triangles in such fields as astronomy, surveying, navigation, and experimental research. The paper covers the contributions of astronomers and theorists in ancient Babylon, Egypt, Greece, Rome and India, as well as the early development of the trigonometric functions among Islamic scholars in the Middle Ages. The paper also discusses the contributions of modern-era mathematicians such as Johannes Muller, Daniel Bernoulli, and Leonhard Euler, among others. KEYWORDS: mathematics trigonometry Ptolemy hipparchus Aryabhata Euler history. APA Style. 10 pages, 51 footnotes, 7 bibliographic sources. 2,465 words.   $70 Copyright 1998-2018 Berkeley Research