¹ Source: wiktionary.com
Definition of Cosines
1. cosine [n] - See also: cosine
Lexicographical Neighbors of Cosines
Literary usage of Cosines
Below you will find example usage of this term as found in modern and/or classical literature:
1. Plane and Solid Analytic Geometry by William Fogg Osgood, William Caspar Graustein (1921)
"CHAPTER XVIII DIRECTION cosines. DIRECTION COMPONENTS 1. Direction cosines of a
Directed Line. Given a directed line L in space; to find a means of ..."
2. A Treatise on the Analytic Geometry of Three Dimensions by George Salmon (1882)
"To find the equations of the perpendicular from x'y'z on the plane Ax + By + Cz
+ D. The direction-cosines of the perpendicular on the plane (Art. 28) are ..."
3. An Elementary Treatise on Solid Geometry by Charles Smith (1886)
"The cosines of the angles which a straight line makes with the positive directions
of the co-ordinate axes are called its direction-cosines, and we shall in ..."
4. Analytic Geometry and Calculus by Frederick Shenstone Woods, Frederick Harold Bailey (1917)
"Direction cosines. If we denote by a, /3, and 7 the angles which a straight une
makes with the positive directions of the coordinate axes OX, OY, ..."
5. Solid Geometry by Percival Frost (1875)
"To find the direction-cosines of a straight line perpendicular to two straight
lines whose direction-cosines are given. Let I, m, n, and ?, w;', ..."
6. Plane and Spherical Trigonometry by Leonard Magruder Passano (1918)
"or, cos a = cos b cos c -f- sin b sin c cos A, which, proves the law of cosines
for all cases. We thus have the three fundamental equations, ..."
7. A Treatise on Infinitesimal Calculus: Containing Differential and Integral by Bartholomew Price (1857)
"And also inversely, A, p., v can be determined in terms of the direction- cosines
of the new axes, and we have • (296) The changes in position which the ..."
8. Plane Trigonometry by Sidney Luxton Loney (1895)
"EXPANSIONS OF SINES AND cosines OF MULTIPLE ANGLES, AND OF POWERS OF SINES AND
cosines. [On a first reading of the subject the student is recommended to ..."
Other Resources:
Georgian