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English definition of “cosine”

cosine

noun [C]  /ˈkoʊˌsɑɪn/ (abbreviation cos)
trigonometry in a triangle that has one angle of 90°, the ratio (= relationship) of the length of the side next to an angle less than 90°, divided by the length of the hypotenuse (= the side opposite the 90° angle)
(Definition of cosine noun from the Cambridge Academic Content Dictionary © Cambridge University Press)

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Translations of “cosine”

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