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Trigonometry   Listen
noun
Trigonometry  n.  (pl. trigonometries)  
1.
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.
2.
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.






Collaborative International Dictionary of English 0.48








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"Trigonometry" Quotes from Famous Books



... marines was examining the lock of an aged musket. The third and fourth lieutenants were helping each other to untangle one of their Bay-of-Biscay reckonings, which had set both plane and spherical trigonometry at defiance, by a lamp of their own; and the chaplain was hurrying the steward and the boys along with the breakfast—his usual occupation at that "witching ...
— The Two Admirals • J. Fenimore Cooper

... glass, and to mix without fear in a drunken squabble, yet I went on with a high hand with my geometry, till the sun entered Virgo, a month which is always a carnival in my bosom, when a charming fillette, who lived next door to the school, overset my trigonometry, and set me off at a tangent from the spheres of my studies. I, however, struggled on with my sines and cosines for a few days more; but stepping into the garden one charming noon, to take the sun's altitude, ...
— The Letters of Robert Burns • Robert Burns

... Americans; a dry middle-aged man, and a talkative young fellow who informs him he was at Harvard. Elder man listens to him with a grim and wooden forbearance. "Ez fur languages," the younger man is saying. "I'd undertake to learn any language inside of six months. Fur enstance, I got up Trigonometry in two. You'll tell me that isn't a language, and that's so, but take Latin now, I'd learn Latin—to write and speak—in a year, Italian I'd learn in a fortnight—with constant study, you understand. Then there's German. Well. I cann't read German—not in their German ...
— Punch, or the London Charivari, Vol. 102, June 11, 1892 • Various

... come. The interval between the two schools he passed at Cuddesdon, working some ten hours a day at his hardest, riding every day with Denison, and all of them in high spirits. But optics, algebra, geometry, calculus, trigonometry, and the rest, filled him with misgivings for the future. 'Every day I read, I am more and more thoroughly convinced of my incapacity for the subject.' 'My work continued and my reluctance to exertion ...
— The Life of William Ewart Gladstone, Vol. 1 (of 3) - 1809-1859 • John Morley

... and body, I was not strong; and my father found it necessary to oversee my methods of studying. Incidentally, I think, he influenced the choice of some of our text-books, and I remember that, with the exception of Greek and trigonometry—thought, in those days, to be beyond the scope of the feminine intellect—we pursued the same curriculum that our brothers did at college. In some cases we had teachers who were then, or afterwards, college professors in their specialties; in all departments I think ...
— McClure's Magazine, Volume VI, No. 3. February 1896 • Various


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