Trigonometric functions - Wikipedia
The most familiar trigonometric functions are the sine, the cosine, and the tangent. Their reciprocal are respectively the cosecant, the secant, and the cotangent, which are less used in modern mathematics. The oldest definitions of trigonometric functions, related to right-angle triangles, define them only for acute angles.
cotangent cot ctg. The trig function cotangent, written cot θ. cot θ equals or .For acute angles, cot θ can be found by the SOHCAHTOA definition, shown below on the left. The circle definition, a generalization of SOHCAHTOA, is shown below on the right. f(x) = cot x is a periodic function with period π.
Cotangent - definition of cotangent by The Free Dictionary
cotangent cot θ = b/a co·tan·gent (kō-tăn′jənt, kō′tăn′-) n. Abbr. cot 1. The reciprocal of the tangent of an angle in a right triangle. 2. The tangent of the complement of a directed angle or arc. co′tan·gen′tial (-jĕn′shəl) adj. cotangent (kəʊˈtændʒənt) n (Mathematics) (of an angle) a trigonometric function that in a right ...
Cotangent Definition (Illustrated Mathematics Dictionary)
Cotangent. more ... 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. Sine, Cosine, Tangent.
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Cotangent | mathematics | Britannica.com
Other articles where Cotangent is discussed: trigonometry: (sin), cosine (cos), tangent (tan), cotangent (cot), secant (sec), and cosecant (csc). These six trigonometric functions in relation to a right triangle are displayed in the figure. For example, the triangle contains an angle A, and the ratio of the side opposite to A and the side opposite to the…
Cotangent | Define Cotangent at Dictionary.com
The cotangent is the inverse of the tangent. The ratio of the ordinate to the abscissa of the endpoint of an arc of a unit circle centered at the origin of a Cartesian coordinate system, the arc being of length x and measured counterclockwise from the point (1, 0) ...
Cotangent: Definition & Formula - Video & Lesson ...
Applications of Cotangent. Cotangent is used the same way the sine, cosine, and tangent functions are used. You can use them based on a right triangle, using the opposite and adjacent sides of the ...
Cotangent: Introduction to the trigonometric functions
Introduction to the trigonometric functions. General. The six trigonometric functions sine , cosine , tangent , cotangent , cosecant , and secant are well known and among the most frequently used elementary functions. The most popular functions , , , and are taught worldwide in high school programs because of their natural appearance in problems involving angle measurement and their wide ...
Cotangent - math word definition - Math Open Reference
Cotangent can be derived in two ways: The inverse cotangent function - arccot. For every trigonometry function such as cot, there is an inverse function that works in reverse. These inverse functions have the same name but with 'arc' in front. So the inverse of cot is arccot etc.