7 results for: Trigonometry

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Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This

trig·o·nom·e·try

Audio Help [trig-uh-nom-i-tree] Pronunciation Key

–noun

the branch of mathematics that deals with the relations between the sides and angles of plane or spherical triangles, and the calculations based on them.

[Origin: 1605–15; < NL trigōnometria; see trigon, -o-, -metry

]

—Related forms

trig·o·no·met·ric

Audio Help [trig-uh-nuh-me-trik] Pronunciation Key, trig·o·no·met·ri·cal, adjective

trig·o·no·met·ri·cal·ly, adverb

Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.

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Encyclopædia Britannica, Inc.
Trigonometry

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American Heritage Dictionary - Cite This Source - Share This

trig·o·nom·e·try Audio Help (trĭg'ə-nŏm'ĭ-trē) Pronunciation Key
n. 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.

[New Latin trigōnometria : Greek trigōnon, triangle; see trigon + Greek -metriā, -metry.]

trig'o·no·met'ric (-nə-mět'rĭk), trig'o·no·met'ri·cal (-rĭ-kəl) adj., trig'o·no·met'ri·cal·ly adv.

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The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.

Online Etymology Dictionary - Cite This Source - Share This
trigonometry

"branch of mathematics that deals with relations between sides and angles of triangles," 1614, from Mod.L. trigonometria (Barthelemi Pitiscus, 1595), from Gk. trigonon "triangle" (from tri- "three" + gonia "angle;" see knee) + metron "a measure" (see meter (2)).

WordNet - Cite This Source - Share This

trigonometry
noun
the mathematics of triangles and trigonometric functions

The American Heritage Science Dictionary - Cite This Source - Share This

trigonometry Audio Help (trĭg'ə-nŏm'ĭ-trē) Pronunciation Key
The study of the properties and uses of trigonometric functions.

Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Trigonometry

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 magnitudes, and of the methods by which, in accordance with these relations, quantities sought are deducible from other quantities known or supposed; the science of spatial and quantitative relations.

Note: Mathematics embraces three departments, namely: 1. Arithmetic. 2. Geometry, including Trigonometry and Conic Sections. 3. Analysis, in which letters are used, including Algebra, Analytical Geometry, and Calculus. Each of these divisions is divided into pure or abstract, which considers magnitude or quantity abstractly, without relation to matter; and mixed or applied, which treats of magnitude as subsisting in material bodies, and is consequently interwoven with physical considerations.

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