PHP atanh function

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atanh

(PHP 4 >= 4.1.0, PHP 5)

atanh — Inverse hyperbolic tangentDescriptionfloat atanh ( float arg )

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

Note: This function is not
implemented on Windows platforms.

See also:
atan(),
asinh(), and
acosh().

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Published:
2.26.07 / 1am
Category:
PHP Functions
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