 trigonometry

The branch of mathematics that deals with the relationships between the sides and the angles of triangles and the calculations based on them, particularly the trigonometric functions.
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Trigonometry — Trig o*nom e*try, n.; pl. { tries}. [Gr. ? a triangle + metry: cf. F. trigonom[ e]trie. See {Trigon}.] 1. That branch of mathematics which treats of the relations of the sides and angles of triangles, which the methods of deducing from certain… … The Collaborative International Dictionary of English
trigonometry — branch of mathematics that deals with relations between sides and angles of triangles, 1610s, from Mod.L. trigonometria (Barthelemi Pitiscus, 1595), from Gk. trigonon triangle (from tri three + gonia angle; see KNEE (Cf. knee)) + metron a measure … Etymology dictionary
trigonometry — ► NOUN ▪ the branch of mathematics concerned with the relations of the sides and angles of triangles and with the relevant functions of any angles. DERIVATIVES trigonometric adjective trigonometrical adjective. ORIGIN from Greek trig nos three… … English terms dictionary
trigonometry — [trig΄ə näm′ə trē] n. pl. trigonometries [ModL trigonometria < Gr trigōnon, triangle (see TRIGON) + metria, measurement (see METRY)] the branch of mathematics that deals with the ratios between the sides of a right triangle with reference to… … English World dictionary
trigonometry — trigonometric /trig euh neuh me trik/, trigonometrical, adj. trigonometrically, adv. /trig euh nom i tree/, n. the branch of mathematics that deals with the relations between the sides and angles of plane or spherical triangles, and the… … Universalium
Trigonometry — Trig redirects here. For other uses, see Trig (disambiguation). The Canadarm2 robotic manipulator on the International Space Station is operated by controlling the angles of its joints. Calculating the final position of the astronaut at the end… … Wikipedia
trigonometry — Synonyms and related words: Boolean algebra, Euclidean geometry, Fourier analysis, Lagrangian function, algebra, algebraic geometry, analysis, analytic geometry, arithmetic, associative algebra, binary arithmetic, calculus, circle geometry,… … Moby Thesaurus
Trigonometry — Mathematics Math e*mat ics, n. [F. math[ e]matiques, pl., L. mathematica, sing., Gr. ? (sc. ?) science. See {Mathematic}, and { ics}.] That science, or class of sciences, which treats of the exact relations existing between quantities or… … The Collaborative International Dictionary of English
trigonometry — [[t]trɪ̱gənɒ̱mɪtri[/t]] N UNCOUNT Trigonometry is the branch of mathematics that is concerned with calculating the angles of triangles or the lengths of their sides … English dictionary
trigonometry — noun Etymology: New Latin trigonometria, from Greek trigōnon + metria metry Date: 1614 the study of the properties of triangles and trigonometric functions and of their applications … New Collegiate Dictionary