Function atan #

Calculate the inverse tangent of a value.

For matrices, the function is evaluated element wise.

Syntax #

math.atan(x)

Parameters #

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

Returns #

Type Description
number | BigNumber | Complex | Array | Matrix The arc tangent of x

Examples #

math.atan(0.5)           // returns number 0.4636476090008061
math.atan(math.tan(1.5)) // returns number 1.5

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

See also #

tan, asin, acos

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