### Definition of Circular 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 Circular function

1. Noun. a trigonometric function ¹

¹ Source: wiktionary.com

### Lexicographical Neighbors of Circular Function

 circular anastomosiscircular arccircular arcscircular argumentcircular argumentscircular bandagecircular breathingcircular definitioncircular dichroismcircular fibres circular filecircular filescircular firing squadcircular firing squadscircular foldscircular function (current term)circular functionscircular layer of muscular coatcircular layer of tympanic membranecircular layers of muscular tunics circular lettercircular measurecircular milcircular parriescircular parrycircular planecircular polarized lightcircular reactioncircular sawcircular saws

### Literary usage of Circular function

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

1. The Application of Hyperbolic Functions to Electrical Engineering Problems by Arthur Edwin Kennelly (1916)
"It will be found that circular function formulas involving only first powers, ... () But circular function formulas involving squares, or second powers of ..."

2. The Principles of the Differential and Integral Calculus: And Their by Washington McCartney (1848)
"Determine the differential of a circular function. We defined a circular function to be one involving the variable in an arc or trigonometrical line, ..."

3. An Elementary Treatise on the Differential and Integral Calculus, with by Edward Albert Bowser (1886)
"For example, у = sin x; у = tan3 x; у = cos x sec x ; etc. A circular function is one in which the concept is a variable arc, ..."

4. Mathematical and Physical Papers by Sir George Gabriel Stokes, Baron John William Strutt Rayleigh (1901)
"... but a particular law of disturbance as regards the time is assumed, namely, that expressed by a single circular function. Now we know that any periodic ..."

5. Electrical Papers by Oliver Heaviside (1894)
"(15) with the circular function taken always positive. When nl/v = ir, 7=0. Then 2ir/n = 2l/v, or the period of the impressed force coincides with the time ..."

6. Proceedings of the Royal Society of London by Royal Society (Great Britain) (1888)
"[log (gz)]3, and is further complicated by x not representing simple integer numbers, but a circular function of them. The search, therefore, by this method ..."

7. The Application of Hyperbolic Functions to Electrical Engineering Problems by Arthur Edwin Kennelly (1916)
"It will be found that circular function formulas involving only first powers, ... () But circular function formulas involving squares, or second powers of ..."

8. The Principles of the Differential and Integral Calculus: And Their by Washington McCartney (1848)
"Determine the differential of a circular function. We defined a circular function to be one involving the variable in an arc or trigonometrical line, ..."

9. An Elementary Treatise on the Differential and Integral Calculus, with by Edward Albert Bowser (1886)
"For example, у = sin x; у = tan3 x; у = cos x sec x ; etc. A circular function is one in which the concept is a variable arc, ..."

10. Mathematical and Physical Papers by Sir George Gabriel Stokes, Baron John William Strutt Rayleigh (1901)
"... but a particular law of disturbance as regards the time is assumed, namely, that expressed by a single circular function. Now we know that any periodic ..."

11. Electrical Papers by Oliver Heaviside (1894)
"(15) with the circular function taken always positive. When nl/v = ir, 7=0. Then 2ir/n = 2l/v, or the period of the impressed force coincides with the time ..."

12. Proceedings of the Royal Society of London by Royal Society (Great Britain) (1888)
"[log (gz)]3, and is further complicated by x not representing simple integer numbers, but a circular function of them. The search, therefore, by this method ..."