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请输入英文单字，中文词皆可：

secant    
a. 割的,切的,交叉的
n. 割线,正切

割的,切的,交叉的割线,正切

secant
正割; 割线

secant
正割 割线

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 [synonym: {secant}, {sec}]

Secant \Se"cant\ (s[=e]"k[a^]nt), a. [L. secans, -antis, p. pr.
of secare to cut. See {Section}.]
Cutting; dividing into two parts; as, a secant line.
[1913 Webster]


Secant \Secant\, n. [Cf. F. s['e]cante. See {Secant}, a.]
1. (Geom.) A line that cuts another; especially, a straight
line cutting a curve in two or more points.
[1913 Webster]

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}.
[1913 Webster]


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英文字典中文字典相关资料:


  • Secant function (sec) - Trigonometry - Math Open Reference
    In a right triangle, the secant of an angle is the length of the hypotenuse divided by the length of the adjacent side In a formula, it is abbreviated to just 'sec'
  • Secant in Trigonometry Explained Simply - Andrea Minini
    Geometrically, the secant (OB) is the point where the line (r), which is tangent at point P on the unit circle, intersects the x-axis The secant can also be seen as the line segment OC that starts at the origin O, passes through point P, and intersects the tangent at point C
  • Secant and Cosecant - Algebrica
    The secant and cosecant of an angle θ are defined as the reciprocals of cos (θ) and sin (θ), extending trigonometric relationships





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