Definition of Cofunction

1. Noun. (mathematics) The trigonometric function of the complement of the supplied angle (thus cosine and sine are each other's cofunctions) ¹

¹ Source: wiktionary.com

Definition of Cofunction

1. [n -S]

Lexicographical Neighbors of Cofunction

cofired
cofires
cofiring
coformulation
coformulations
coformycin
cofound
cofounded
cofounder
cofounders
cofounding
cofounds
cofractionated
coframe
coft
cofunction (current term)
cofunctions
cofunctor
cofunctors
cog
cog railway
cog wheel
cog wheels
cogebra
cogebras
cogen
cogence
cogences
cogencies
cogency

Literary usage of Cofunction

Below you will find example usage of this term as found in modern and/or classical literature:

1. Plane and Spherical Trigonometry by George Neander Bauer, William Ellsworth Brooke (1917)
"ARRANGEMENT OF TABLES Because of the relation between any trigonometric function and its cofunction, it is possible to use a given table for two functions. ..."

2. Plane Trigonometry and Applications by Ernest Julius Wilczynski (1914)
"Let us speak of either function of one of these pairs as the cofunction of the other. Then, the six formulae (2) are all included in the following statement ..."

3. Modern Junior Mathematics by Marie Gugle (1920)
"In general, the function of an angle equals the cofunction of its complement. Therefore, it is necessary to give the functions of angles only from 0° to 45° ..."

4. Logarithmic and Trigonometric Tables by Herbert Ellsworth Slaught (1914)
"Hence each of its functions is equal to the corresponding cofunction of 41° 15'.58, and the values obtained are the same as in Example 1 with the name of ..."

5. Plane Trigonometry by International Correspondence Schools (1906)
"As the function under consideration is a cofunction, the correction DX ... As the cotangent is a cofunction, the correction = XD is to be subtracted from /. ..."

6. Junior High School Mathematics by George Wentworth, David Eugene Smith, Joseph Clifton Brown (1918)
"... and so on, a function of any angle being the cofunction of its complement. Exercise 6. Functions of Complementary Angles All work oral 1. ..."

7. The Mathematics of Applied Electricity: A Practical Mathematics by Ernest Herman Koch (1912)
"This arises from the fact that the numeric value of the function of an angle is also the numeric value of the cofunction of the complementary angle. ..."

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