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PHP: atanh() function

Description

The atanh() function returns the inverse hyperbolic tangent of an angle.

Note: This function was not compatible on windows platform before 5.3.0 version.

Version:

(PHP 4 and above)

Syntax:

atanh(number)

Parameter:

Name Description Required /
Optional
Type
number Numeric value. Required Float

Return value:

The inverse hyperbolic tangent of the number.

Value Type: Float.

See also

PHP Function Reference

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https://w3resource.com/php/function-reference/atanh.php