• Trigonometry

    Origin

    From New Latin trigonometria, from Ancient Greek τρίγωνον (trigōnon, "triangle") + -metria ("-metry").

    Noun

    trigonometry

    (countable and uncountable; plural trigonometrys)
    1. (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.
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