secant
secant
[ˈsiːk(ə)nt, ˈsɛk-]
noun
[ˈsiːk(ə)nt, ˈsɛk-]
noun
- (缩略词: sec.)(Mathematics)the ratio of the hypotenuse to the shorter side adjacent to an acute angle (in a right-angled triangle); the reciprocal of a cosine
(数)正切；余弦的倒数 - (Geometry)a straight line that cuts a curve in two or more parts
(几何)割线
- late 16th cent.; from French sécante, based on Latin secare 'to cut'
考试词汇表
