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
Like what?
什么？
All she cares about is her social life.
她关心的只是她的社交活动。
Not at all, dear. It was a pleasure.
不必客气，亲爱的。这样我很高兴。