atanh

(PHP 4 >= 4.1.0, PHP 5, PHP 7, PHP 8)

atanhInverse hyperbolic tangent

Description

atanh(float $num): float

Returns the inverse hyperbolic tangent of num, i.e. the value whose hyperbolic tangent is num.

Parameters

num

The argument to process

Return Values

Inverse hyperbolic tangent of num

See Also

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