单词	tangent (function)
释义	Tangent (function) In a right angled triangle, the tangent of an angle is: The length of the side opposite the angle divided by the length of the adjacent side. The abbreviation is tan tan(θ) = opposite / adjacent Have a practice here:
随便看	savings bond scalar scale scale drawing scalene triangle scales scatter plot scientific notation seasons secant (function) secant (line) sech second second (angles) second hand section sector sector graph security segment segment (circle) semi- semi-major axis semi-minor axis semiannually

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。