Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The reciprocal of the sine of an angle in a right triangle.
  • n. The secant of the complement of a directed angle or arc.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. In a right triangle, the reciprocal of the sine of an angle. Symbols: cosec, csc

from the GNU version of the Collaborative International Dictionary of English

  • n. The secant of the complement of an arc or angle. See Illust. of functions.

from The Century Dictionary and Cyclopedia

  • n. In trigonom., the secant of an angle or arc equal to the difference between a given angle or are (whose cosecant it is) and 90°; the secant of the complement of the given angle or arc. See complement.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. ratio of the hypotenuse to the opposite side of a right-angled triangle

Etymologies

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Examples

  • Add together the secant of the Latitude, the cosecant of the P.D., the cosine of the Half Sum and the sine of the Difference (Table 44).

    Lectures in Navigation

  • After the creation of the universe, light speed declined following a curve approximating the curve of the cosecant squared.

    Kiwiblog

  • On this topic, it isn't completely clear to me why we make kids memorize what the secant, cosecant, and cotangent are.

    ScienceBlogs Channel : Life Science

  • They are known as the hyperbolic sine, hyperbolic cosine, hyperbolic tangent, hyperbolic cosecant, hyperbolic secant, and hyperbolic cotangent.

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  • If we are operating on some variable x, the arctangent of x is denoted tanÀ1 (x) or arctan (x) The inverse of the cosecant function is the arccosecant function.

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  • SOLUTION 4-1 Remember that the hyperbolic cosecant (csch) is the reciprocal of the hyper - bolic sine (sinh).

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  • The cosecant and secant functions have the same general shape, but they are shifted by 90 (/2 rad), or 1 = 4 cycle, with respect to each other.

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  • Graph of the secant function for values of x between -3 rad and 3 rad. is the same as the range of the cosecant function.

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  • If your calculator does not have keys for the cosecant (csc), secant (sec), or cotangent (cot) functions, fi rst

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  • This should not come as a surprise, because the cosecant and secant functions are the reciprocals of the sine and cosine functions, respectively, and the sine and cosine are horizontally displaced by 1 = 4 cycle.

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Comments

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  • "...the boys were taught, with words and diagrams, the nature of sine, cosine, tangent, cotangent, secant and cosecant, the relations between them, and their value in helping to find your position in a prodigious ocean, no shore, no landmark for ten thousand miles."
    --P. O'Brian, The Yellow Admiral, 145

    March 19, 2008