Cotangent
n. 余切\\n[电] 余切
📖 牛津释义
cotangent
n
(abbr 缩写 cot) (mathematics 数) tangent of the complement of a given angle 余切.
🗣️ 情景例句
Let us try it!
让我们试试吧！
He that regards not a penny,will lavish a pound.
小钱不知节省，大钱将滥花。
I didn't have a penny the last time I saw you.
上次我见到你时，我连一个铜板也没有。