cotan

英['kəʊtæn] 美['kəʊtæn]
  • n.余切
  • cotangent n.余切
  • scale n.刻度;等级,规模;音阶;量程;天枰,磅秤;鳞片,鳞状物v.攀登;按比例决定;称重;刮鳞;剥落
Noun:
  1. ratio of the adjacent to the opposite side of a right-angled triangle