mathjs/docs/reference/functions/acot.md

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Function acot #

Calculate the inverse cotangent of a value, defined as acot(x) = atan(1/x).

For matrices, the function is evaluated element wise.

Syntax #

math.acot(x)

Parameters #

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

Returns #

Type	Description
number | Complex | Array | Matrix	The arc cotangent of x

Throws #

Type	Description

Examples #

math.acot(0.5)           // returns number 0.4636476090008061
math.acot(math.cot(1.5)) // returns number 1.5

math.acot(2)             // returns Complex 1.5707963267948966 -1.3169578969248166 i

See also #

cot, atan