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Acosh

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Description Edit

acosh returns the inverse hyperbolic cosine of given argument.

Note: This function is not available on windows systems!

Parameters Edit

{{{returns}}} acosh (float argument)

Parameter Infos Edit

Parameter PHP Version Type
acos 4 >= 4.0.7 or 5 returns float
argument 4 >= 4.0.7 or 5 float


For more details on this function, visit its entry in the php manual.

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