| 
 
Trigonometric functions - Wikipedia
 
The trigonometric functions most widely used in modern mathematics are the sine, the cosine, and the tangent functions. Their reciprocals are respectively the cosecant, the secant, and the cotangent functions, which are less used. 
  
Cotangent | Definition, Formulas, & Facts | Britannica
 
cotangent, one of the six trigonometric functions, which, in a right triangle ABC, for an angle A, is cot A = length of side adjacent to angle A/ length of side opposite angle A. 
  
Cotangent - Math Open Reference
 
In a right triangle, the cotangent of an angle is the length of the adjacent side divided by the length of the opposite side. In a formula, it is abbreviated to just 'cot'. 
  
Tangent and Cotangent - Definitions, Formulas, Properties, Graph
 
Discover everything you need to know about tangent and cotangent functions in this concise guide. Learn definitions and properties. 
  
Cotangent in Trigonometry Explained Simply - Andrea Minini
 
Since the cotangent is a periodic function with a period of π, it can be studied within the interval (0, π). In this interval, the cotangent is a continuous, monotonic, and decreasing function. 
  
Cotangent - from Wolfram MathWorld
 
The cotangent is implemented in the Wolfram Language as Cot [z]. The notations ctnz (Erdélyi et al. 1981, p. 7; Jeffrey 2000, p. 111) and ctgz (Gradshteyn and Ryzhik 2000, p. xxix) are sometimes used in place of cotz. 
  
Cotangent Function cot x
 
The cotangent function is defined and investigation of the graph of the general cotangent function and its properties such as range, period and asymptotes are also presented. 
  
Cotangent - Formula, Graph, Domain, Range | Cot x Formula
 
The cotangent of an angle in a right triangle is defined as the ratio of the adjacent side (the side adjacent to the angle) to the opposite side (the side opposite to the angle). 
  
Cotangent (Free Trig Lesson) | Examples Included - Voovers
 
In this trigonometry lesson, we go over everything that you need to know about the Cotangent function. Click here to start learning. 
  
Cotangent Definition (Illustrated Mathematics Dictionary)
 
In a right angled triangle, the cotangent of an angle is: The length of the adjacent side divided by the length of the side opposite the angle. The abbreviation is cot. cot (θ) = adjacent / opposite. It is not commonly used, and is equal to 1/tangent. 
   |