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secant

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secant

1. (of an angle) a trigonometric function that in a right-angled triangle is the ratio of the length of the hypotenuse to that of the adjacent side; the reciprocal of cosine
2. a line that intersects a curve
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

secant

[′sē‚kant]
(mathematics)
The function given by the reciprocal of the cosine function. Abreviated sec.
The secant of an angle A is 1/cos A.
A line of unlimited length that intersects a given curve.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Secant

 

a trigonometric function. In a right triangle, the secant of an acute angle is defined as the ratio of the hypotenuse to the leg adjacent to the angle. The secant is denoted by sec.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
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References in periodicals archive
Assume [x.sub.1], [x.sub.2], ..., [x.sub.n] are generated by the modified secant (4) and [x.sub.k] [member of] B([x.sub.*], R)(0 [less than or equal to] k [less than or equal to] n).
On the Convergence Ball and Error Analysis of the Modified Secant Method
Instead of using detrimental schemes given by (Kalantari et al, 1997), which was more efficient scheme based on secant method has also been introduced and compared with existing iterative techniques.
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Below, we present the algorithm for the secant method.
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Here, we suggest a modified scaled CG method based on the modified secant equation proposed by Li and Fukushima [23].
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Two conic mappings (secant or tangent) are equivalent on a chosen domain if, and only if, they have the same value of the parameter n.
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On contrary, Secant Method can fail if function is flat.
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Graphs were displayed as a stream of data points forming a sine, cosine, secant, or cosecant function.
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PROVIDED the weather doesn't disrupt things this afternoon, Willie Mullins will take the wraps off another exciting jumper at Thurles where Secant Star returns from 11 months off the track.
SECANT CAN
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