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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


Cooperation for Open Systems Interconnection Networking in Europe. A EUREKA project.
References in periodicals archive ?
According to 1945 articles published in the Birmingham Evening Despatch, which merged with the Mail in the late 1960s, 30-year-old Sgt Moore, of C Squadron, 10th Royal Hussars, had crossed the River Cosina in Italy.
The main narrative, however, is set in the 1990s, and takes place mostly in the Black Images bookstore, owned by Cosina Brown--Miss Cozy.
El propio licenciado Enrique Cosina (fiscal especial para el caso de las desapariciones) me dijo en octubre pasado: En todos los casos de desaparicion aparece la Policia Judicial Federal y en algunos, adicionalmente, la Policia Judicial del Estado.
She has dropped Fergie, Lady Cosina Somerset and Catherine Soames because they don't fit in with the serious career-girl image she is trying to cultivate.
haser en ella cosina y despensa; y no contento con lo referido, vivia
un cuarto para alojar cincuenta hombres y otro que sirve de habitacion de los oficiales y cosina .