TRIGONOMETRY • DICCIONARIO INGLES.COM • Definition of Trigonometry

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noun

Trigonometry n. (pl. trigonometries)

That branch of mathematics which treats of the relations of the sides and angles of triangles, which the methods of deducing from certain given parts other required parts, and also of the general relations which exist between the trigonometrical functions of arcs or angles.

A treatise in this science.

Analytical trigonometry, that branch of trigonometry which treats of the relations and properties of the trigonometrical functions.

Plane trigonometry, and Spherical trigonometry, those branches of trigonometry in which its principles are applied to plane triangles and spherical triangles respectively.

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Etymology of 'Trigonometry'

Collaborative International Dictionary of English 0.48

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"Trigonometry" Quotes from Famous Books

... of land that was not for sale contains exactly eleven acres. Of course it is not difficult to find the answer if we follow the eccentric and tricky tracks of intricate trigonometry; or I might say that the application of a well-known formula reduces the problem to finding one-quarter of the square root of (4 x 370 x 116) -(370 116 - 74) squared—that is a quarter of the square root of 1936, which is one-quarter ...

— Amusements in Mathematics • Henry Ernest Dudeney

... dark root together with the golden fruitage; whenever the nature of the case does not presume a contradistinction of the one to the other.] Religion, in the eye of a Pagan, had no more relation to morals, than it had to ship-building or trigonometry. But, then, why was religion honored amongst Pagans? How did it ever arise? What was its object? Object! it had no object; if by this you mean ulterior object. Pagan religion arose in no motive, but in an impulse. Pagan religion aimed at no distant prize ahead: ...

— Theological Essays and Other Papers v1 • Thomas de Quincey

... above all things, sometimes disguised by affected languor, always well kept under by the laws of good-breeding,—but still it loves abundant life, opulent and showy organizations,—the spherical rather than the plane trigonometry of female architecture,—plenty of red blood, flashing eyes, tropical voices, and forms that bear the splendors of dress without growing pale beneath their lustre. Among these you will find the most delicious women you will ever meet,—women whom ...

— The Autocrat of the Breakfast-Table • Oliver Wendell Holmes, Sr. (The Physician and Poet not the Jurist)

... Roman numerals. In geometry the Arabs added little to Euclid, but algebra is practically their creation. An Arabic treatise on algebra long formed the textbook of the subject in the universities of Christian Europe. Spherical trigonometry and conic sections are Arabic inventions. This mathematical knowledge enabled the Arabs to make considerable progress in astronomy. Observatories at Bagdad and Damascus were erected as early as the ninth century. Some of the astronomical instruments ...

— EARLY EUROPEAN HISTORY • HUTTON WEBSTER

... Carlo, where he had been spending a few days in the interests of science, and presented your letter of introduction. Said he still couldn't understand just how it happened, because he had figured it out by logarithms and trigonometry and differential calculus and a lot of other high-priced studies that he'd taken away from Harvard, and that it was a cinch on paper. Was so sure that he could have proved his theory right if he'd only had a little ...

— Old Gorgon Graham - More Letters from a Self-Made Merchant to His Son • George Horace Lorimer

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