(trigonometry) Synonym of trigonometric function

(algebraic geometry) Informally, any function expressible using (only) the operations of addition, subtraction, multiplication, division and raising to a rational power; more precisely, any continuous function definable as the root of some polynomial equation.

(mathematics) Either of a pair of functions that have the same domain and that the values of one are equal to or greater than the other for all points in that domain.

(mathematics) Any function whose value is zero except for a finite part of its argument for which it has a constant non-zero value

(mathematics) Any function in which the interchange of two independent variables changes the sign of the dependent variable.

(mathematics) A function whose value is the same for all the elements of its domain.

(mathematics) A function of one or more independent variables, at least one of which is itself a function of one or more other independent variables; a function of function(s).

(mathematics) Any function of a complex variable that is holomorphic throughout the complex plane

Any mathematical relationship between an activity and its cost.

(mathematics) Any function that is a solution of the Bessel equation