cotan

1. Liverpool have reportedly sent representatives to Spain to tie up the signature of Sevilla youth player Antonio Cotan.
   利物浦被报道有意搞来西班牙希望之星，塞维利亚的年轻球员安东尼奥&考坦。
2. Then through the analysis of Cotan and Caravaggio work, The article elaborates the second leap of still life drawing& from thing of being reproduced to the main body demonstration.
   然后通过对科坦与卡拉瓦乔作品的分析，论述静物画的第二次飞跃&从再现之物到主体展示。

noun

1. ratio of the adjacent to the opposite side of a right-angled triangle

   Synonym:    cotangent