cosine
n.
1630s, from co. sinus, abbreviation of Medieval Latin complementi sinus (see complement + sine).
〔李〕[co-(com-);sin;-e] n.余弦 ←sin (L sinus)=curve 弧线
〔李〕[co-(com-);sin;-e] n.余弦 ←sin (L sinus)=curve 弧线
| 词汇 | cosine |
| 词根词缀 | Online Etymology Dictionary 词根李平武蒋争 cosine n. 1630s, from co. sinus, abbreviation of Medieval Latin complementi sinus (see complement + sine). 〔李〕[co-(com-);sin;-e] n.余弦 ←sin (L sinus)=curve 弧线 |
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