单词 | cosine |
释义 | cosine n (abbr 缩写 cos) (mathematics 数) in a right-angled triangle, the ratio of the length of a side adjacent to one of the acute angles to the length of the hypotenuse 余弦. Cf 参看 sine, tangent 2. |
随便看 |
英汉双解词典包含38652条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。