单词	cosine
释义	Cosine In a right angled triangle, the cosine of an angle is: The length of the adjacent side divided by the length of the hypotenuse. The abbreviation is cos cos(θ) = adjacent / hypotenuse
随便看	revolution rhombus rhs right angle right triangle right-angled triangle rigid rise risk risk management rms roman numerals root root mean square rotation rotational symmetry rounding row rpm rule of 72 ruler run salary sale price sales tax

数学辞典收录了1200条数学词条，基本涵盖了常用数学知识及数学英语单词词组的翻译及用法，是数学学习的有利工具。