se·cant /ˈsiˌkænt, kənt/
(a.)割的,切的,交叉的割線,正切
secant
正割; 割線
secant
正割 割線
Se·cant a. Cutting; dividing into two parts; as, a secant line.
Secant, n.
1. Geom. A line that cuts another; especially, a straight line cutting a curve in two or more points.
2. Trig. A right line drawn from the center of a circle through one end of a circular arc, and terminated by a tangent drawn from the other end; the number expressing the ratio of this line to the radius of the circle. See Trigonometrical function, under Function.
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secant
n 1: a straight line that intersects a curve at two or more
points
2: ratio of the hypotenuse to the adjacent side of a
right-angled triangle [syn: sec]