安裝中文字典英文字典辭典工具!
安裝中文字典英文字典辭典工具!
|
- 正割 - 百度百科
正割的数学符号为sec出自英文secant。该符号最早由数学家吉拉德·笛沙格在他的著作《三角学》中所用。
- Secant line - Wikipedia
In geometry, a secant is a line that intersects a curve at a minimum of two distinct points [1] The word secant comes from the Latin word secare, meaning to cut [2] In the case of a circle, a secant intersects the circle at exactly two points
- SECANT中文(简体)翻译：剑桥词典 - Cambridge Dictionary
A chord is an interval of a secant line, the portion of the line that lies within the curve
- Secant - Math. net
Secant A secant is a line that intersects a curve at a minimum of two different points The secant line above cuts (intersects) the curve at three distinct points Secants and circles In Geometry, secant lines are often used in the context of circles The secant line below, in red, intersects the circle with center O, twice
- 正割 - 搜狗百科
正割（Secant，sec）是三角函数的一种，和余弦函数互为倒数，其定义域不是整个实数集，值域是绝对值大于等于一的实数。 正割属于周期函数，最小正周期为2π，是三角函数的正函数（正弦、正切、正割、正矢）之一，所以在2kπ到2kπ+π 2的区间之间，函数是
|
|
|