Trigonometric Functions

George McCarty
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George McCarty: University of California

Chapter 6 in Calculator Calculus, 1982, pp 64-80 from Springer

Abstract: Abstract More than 4000 years ago the Egyptians used ropes knotted in lengths with the ratios 3 to 4 to 5 to form the sides of a triangle in order to determine a right angle. Buildings, and probably the pyramids, were thus erected with the use of elementary, practical trigonometry. Carpenters use this same trick today.

Keywords: Radian Measure; Harvest Rate; Extinction Time; Difference Quotient; Degree Measure (search for similar items in EconPapers)
Date: 1982
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DOI: 10.1007/978-1-4684-6484-9_6

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