Meaning of “sine” in the English Dictionary


"sine" in American English

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sinenoun [ C ]

us /sɑɪn/ abbreviation sin

trigonometry in a triangle that has one angle of 90°, the ratio (= relationship) of the length of the side opposite an angle less than 90° divided by the length of the hypotenuse (= the side opposite the 90° angle)

(Definition of “sine” from the Cambridge Academic Content Dictionary © Cambridge University Press)

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