Search the Dictionary

A treatise in this science. Analytical trigonometry, that branch of trigonometry which treats of the relations and properties of the trigonometrical functions. -- Plane trigonometry, and Spherical trigonometry, those branches of trigonometry in which its principles are applied to plane triangles and spherical triangle…

A book containing the principles of this science. Arithmetic of sines, trigonometry. -- Political arithmetic, the application of the science of numbers to problems in civil government, political economy, and social science. -- Universal arithmetic, the name given by Sir Isaac Newton to algebra.

which, by the help of the line of numbers, solve, with tolerable exactness, questions in trigonometry, navigation, etc. -- Artificial numbers, logarithms. -- Artificial person (Law). See under Person. -- Artificial sines, tangents, etc., the same as logarithms of the natural, tangents, etc. Hutton.

as an exercise in the application of the rules of any study or branch of science; as, in trigonometry and grammar, the principles and rules are illustrated by examples.

The art of measuring angles; trigonometry.

Geometry, including Trigonometry and Conic Sections. 3. Analysis, in which letters are used, including Algebra, Analytical Geometry, and Calculus. Each of these divisions is divided into pure or abstract, which considers magnitude or quantity abstractly, without relation to matter; and mixed or applied, which treats of…

The doctrine of polygons; an extension of some of the principles of trigonometry to the case of polygons.

ry, Crystalline,. -- Doctrine of the sphere, applications of the principles of spherical trigonometry to the properties and relations of the circles of the sphere, and the problems connected with them, in astronomy and geography, as to the latitudes and longitudes, distance and bearing, of places on the earth, and the…

ere, bounded by the arcs of three great circles which intersect each other. -- Spherical trigonometry. See Trigonometry. -- Spher"ic*al*ly, adv. -- Spher"ic*al*ness, n.

other magnitudes of a sphere, produced by planes intersecting it; spherical geometry and trigonometry.

of linear and angular measurments, and the application of the principles of geometry and trigonometry; as, to survey land or a coast.

Of or pertaining to trigonometry; performed by the rules of trigonometry. --Trig`o*no*met"ric*al*ly, adv. Trigonometrical curve, a curve one of whose coördinates is a trigonometric function of the other. -- Trigonometrical function. See under Function. -- Trigonometrical lines, lines which are employed in solving the…