¹ Source: wiktionary.com
Definition of Cofunctions
1. cofunction [n] - See also: cofunction
Lexicographical Neighbors of Cofunctions
Literary usage of Cofunctions
Below you will find example usage of this term as found in modern and/or classical literature:
1. Plane Trigonometry and Tables by George Wentworth, David Eugene Smith (1914)
"Reading from the foot of the page, the cofunctions of the complementary angles
are given. On pages 56-77 of the tables, log sin x, log cos x, log tan x, ..."
2. A Treatise on Special Or Elementary Geometry: In Four Parts. Including Plane by Edward Olney (1872)
"... tangent, secant, and versed.sine of this complement, they are the corresponding
cofunctions of the arc APP'P", or the salient angle AOP". 4th. ..."
3. Elements of Plane and Spherical Trigonometry by Charles Winthrop Crockett (1896)
"The Functions of 90° ± ж and of 270° ± ж are numerically equal to the cofunctions
of x, but may differ from them in signs. Let the arcs EB, ED, KJ, KM, ..."
4. Elementary Functions and Applications by Arthur Sullivan Gale, Charles William Watkeys (1920)
"The former functions are called the cofunctions of the latter, respectively, and
vice versa. With this terminology, the six relations (1) to (5) may be ..."
5. Junior High School Mathematics by George Wentworth, David Eugene Smith, Joseph Clifton Brown (1918)
"It is therefore apparent that we need give the functions only to 45°, the functions
of angles from 45° to 90° being the same as the cofunctions of angles ..."
6. Elements of Trigonometry: Plane and Spherical by Edward Olney (1877)
"... tangent, secant, and versed-sine of this complement, they are the corresponding
cofunctions of the arc APP'P", or the salient angle AOP"- 4th. ..."
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