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Futurebasic/Language/Reference/acosh
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Acosh
Function
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Syntax
result# = acosh( expr )
Description
Returns the inverse hyperbolic cosine of expr . This is the (positive-valued) inverse of the cosh function, so that acosh( cosh( x ) ) equals abs( x ). acosh always returns a double-precision result.
Notes
No special notes.
See Also
cosh; asinh; atanh
Language Reference