secant

a. 正割的 n. 割线, 正割

发音

US /ˈsiːkənt/

词形变化

secants 复数 secants

释义与例句

n.
  1. 1.

    A straight line that intersects a curve at two or more points.

    割线

    数学
  2. 2.

    In a right triangle, the reciprocal of the cosine of an angle. Symbol: sec

    正割

    数学
adj.
  1. 1.

    That cuts or divides.

词汇关系

名词

同义词 1

sec

上位词 3

circular function straight line trigonometric function

相关短语

secant method [化] 割线法 arc secant 反正割 hyperbolic secant

词源

From Latin secāns, present participle of secō (“to cut”).

来源：wiktionary