cosecant


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cosecant:

see trigonometrytrigonometry
[Gr.,=measurement of triangles], a specialized area of geometry concerned with the properties of and relations among the parts of a triangle. Spherical trigonometry is concerned with the study of triangles on the surface of a sphere rather than in the plane; it is
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cosecant

[kō′sē‚kant]
(mathematics)
The reciprocal of the sine. Denoted csc.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

cosecant

(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 opposite side; the reciprocal of sine
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
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Since the sine and cosecant functions transform in a manner analogous to the cosine and secant functions, these were not trained using any of the above steps.
Stage 4: Training and testing sine and cosecant reciprocals.
Participants were not trained on the transformation of sine and cosecant functions; instead, they were simply informed that, with regard to amplitude and frequency, the sine and cosecant functions transform in the same manner as cosine and secant.
Training and deriving precalculus relations: a small-group, web-interactive approach
[f.sub.1] and [f.sub.2] are the cost values of flat-top beam and pencil beam in Problem 1; [f.sub.3] and [f.sub.4] are the cost values of flat-top beam and cosecant beam in Problem 2.
[f.sub.3] [f.sub.4] (flat-top beam) (cosecant beam) MOEA/D-DE with TE 0.0043 0.0578 MOEA/D-DE with WS 0.0762 0.1702 MOEA/D-IWO with TE 0.0015 0.0511 MOEA/D-IWO with WS 0.0016 0.0516 Cost = [[lambda].sub.3] ([[lambda].sub.3], [f.sub.3] + [[lambda].
Synthesis of phase-only reconfigurable linear arrays using multiobjective invasive weed optimization based on decomposition
An off-set hybrid antenna structure is suggested to form the FBP in the azimuth plane and the cosecant beam pattern in the elevation plane, as shown in Figure 2.
where G (p, [mu]) and [G.sub.d] (p) represent the actual radiation pattern and the desired (cosecant) radiation pattern, respectively.
A cylindrical shaped-reflector antenna with a linear feed array for shaping complex beam patterns

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