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Từ điển Oxford Advanced Learner 8th
trigonometry
trig·onom·etry BrE [ˌtrɪɡəˈnɒmətri] NAmE [ˌtrɪɡəˈnɑːmətri] noun uncountable
the type of mathematics that deals with the relationship between the sides and angles of triangles
Derived Word: ↑trigonometric
See also: ↑trigonometrical
Word Origin:
[trigonometric trigonometry] early 17th cent.: from modern Latin trigonometria (from trigon (via Latin from Greek trigōnon, neuter of trigōnos ‘three-cornered’) + -metry).
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