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English definition of “sine”

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sine

noun [C]  /sɑɪn/ ( abbreviation sin) us  
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)
Translations of “sine”
in Chinese (Traditional) 正弦…
in Chinese (Simplified) 正弦…
(Definition of sine from the Cambridge Academic Content Dictionary © Cambridge University Press)
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