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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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of an angle
a trigonometric function that in a right-angled triangle is the ratio of the length of the adjacent side to that of the hypotenuse; the sine of the complement


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References in periodicals archive ?
We may provide slope to the object to change the Boundary Dimension Cosine (BDC) with respect to centre.
In this paper, we discuss segmentation method uses three angles [alpha], [beta], [gamma] to control the surface area, boundary angle through (Cos[alpha], Cos[beta], and Cos[gamma]) and Boundary Direction Cosine (BDC).
It is suggested that to detect the edge coordinates of a hemisphere through edge-based method and generate Boundary Dimension Cosine (BDC) with respect to planner surface object (cubide).
The Direction Cosine (Cosine angle) of first object (hemisphere) about axis of x, about axis of y, about axis of z respectively are Cos ([[alpha].
Find the actual direction cosine between hemisphere and cubide.
if Boundary Direction Cosine (BDC) of normal are L, M, N then [L.
It is must that direction cosine should be directly proportional to direction ratio.
In other words, the dot product formula essentially is the vector formulation of the classical Law of Cosines.
The cosine represents the angles of the vectors and corresponds to estimate of semantic similarity.
Research question 3 asks: Can the LSA cosine ranges be evaluative--indicating strong, medium, weak or minimal levels?
Because of the limitations of an exploratory study, however, additional research will be needed to verify and clarify LSA usage, especially the gradation of cosine levels.