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Trigonometry: Surveying
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Trigonometry was one of the oldest branches of applied mathematics. It was used by the ancient Greeks to find out distances that could not be measured directly. In fact, one ancient mathematician calculated the distance from the earth to the moon, and he got an answer that was surprisingly accurate for a time before calculators.
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Trigonometry is an evil discipline relating to the derivation of all of philosophy by constructing perpendicular bisectors to the unit line segment. It is conjectured that this segment was unceremoniously dumped into the African desert by Mario himself, marking the beginning of the Third Age.
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Trigonometry has important applications in many branches of pure mathematics as well as of applied mathematics and, consequently, much of science. Trigonometry is usually taught in secondary schools, often in a precalculus course.
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Trigonometry reached Europe in the medieval times. Richard of Wallingford wrote a text on trigonometry, Quadripartium. He related the Indian sine to the ancient chords. He used Euclid's Elements as a basis for his arguments in plane trigonometry. Levi ben Gerson worked on plane trigonometry, particularly the laws of sines and cosines.
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Trigonometry hasbeen designed to provide pupils with unlimited practice in answering trigonometry problems. As with the other titles in the series, the parameters for each question are randomly generated. The program then enables pupils to work on-screen step-by-step towards the correct answer.
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Trigonometry is useful. If you would like to learn a bit about trigonometry, or brush up on it, then read on. These notes are more of an introduction and guide than a full course. For a full course you should take a class or at least read a book.
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