### Definition of Trigonometric function

1. Noun. Function of an angle expressed as a ratio of the length of the sides of right-angled triangle containing the angle.

### Definition of Trigonometric function

1. Noun. (trigonometry) Any function of an angle expressed as the ratio of two of the sides of a right triangle that has that angle, or various other functions that subtract 1 from this value or subtract this value from 1 (such as the versed sine) ¹

¹ Source: wiktionary.com

### Lexicographical Neighbors of Trigonometric Function

 trigone of vagus nervetrigonellinetrigonestrigoniatrigonictrigonidtrigonidstrigonitetrigonitistrigonocephalic trigonocephalytrigonoceroustrigonometrictrigonometric cofunctiontrigonometric cofunctionstrigonometric function (current term)trigonometric seriestrigonometricaltrigonometricallytrigonometrician trigonometriestrigonometrytrigonoustrigonstrigonumtrigonum acusticitrigonum caroticumtrigonum cerebraletrigonum cervicaletrigonum cervicale anterius

### Literary usage of Trigonometric function

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)
"Every given value of a trigonometric function determines an unlimited or infinite number of positive and negative angles, among which there are always two ..."

2. Plane Trigonometry with Practical Applications by Leonard Eugene Dickson (1922)
"Given one trigonometric function, to find the others. If the value of one of the six functions of an acute angle A is known, we can find the values of the ..."

3. Plane and Spherical Trigonometry by George Neander Bauer, William Ellsworth Brooke (1917)
"Every given value of a trigonometric function determines an unlimited or infinite number of positive and negative angles, among which there are in general ..."

4. Differential and Integral Calculus: With Examples and Applications by George Abbott Osborne (1908)
"It is to be noticed that any power of a trigonometric function may be integrated by Formula I., when accompanied by its differential. ..."

5. Plane and Spherical Trigonometry by Levi Leonard Conant (1909)
"CHAPTER VII GENERAL EXPRESSION FOR ALL ANGLES HAVING A GIVEN trigonometric function 60. From the definitions of the trigonometric functions it is evident ..."

6. Lectures on the Theory of Elliptic Functions by Harris Hancock (1910)
"We know that sin 2 и = 2 cot " and 1 + cot2 u 0 cot2 u — 1 cos 2 u = — • cot2 u + 1 Further, since any rational function of a trigonometric function may be ..."

7. An Elementary Treatise on the Differential and Integral Calculus, with by Edward Albert Bowser (1886)
"A trigonometric function is one which involves sines, tangents, cosines, etc., as variables. ... It is the inverse of the trigonometric function ; thus, ..."