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单词 sine
释义

sine

noun
/saɪn/
/saɪn/
(abbreviation sin)
(mathematics)
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  1. the ratio of the length of the side opposite one of the angles in a right-angled triangle that are less than 90° to the length of the longest side compare cosine, tangentTopics Maths and measurementc2
    Word Originlate 16th cent.: from Latin sinus ‘curve’, used in medieval Latin as a translation of Arabic jayb ‘pocket, sine’.
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更新时间:2024/9/20 10:42:56