Function tan

Calculate the tangent of a value. tan(x) is equal to sin(x) / cos(x).

For matrices, the function is evaluated element wise.

Syntax

tan(x)

Parameters

Parameter Type Description
x number | BigNumber | Complex | Unit | Array | Matrix Function input

Returns

Type Description
number | BigNumber | Complex | Array | Matrix Tangent of x

Examples

tan(0.5);                    // returns number 0.5463024898437905
sin(0.5) / cos(0.5);    // returns number 0.5463024898437905
tan(pi / 4);            // returns number 1
tan(unit(45, 'deg'));   // returns number 1

See also

atan, sin, cos