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Webster 1913 Edition
Trigonometry
Trigˊo-nom′e-try
,Noun.
pl.
-tries
(#)
. 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.
Webster 1828 Edition
Trigonometry
TRIGONOM'ETRY
,Noun.
Definition 2024
trigonometry
trigonometry
English
Noun
trigonometry (countable and uncountable, plural trigonometries)
- (mathematics) 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.
Related terms
Translations
branch of mathematics
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