atanh

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

    atanh — Inverse 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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