< Futurebasic < Language < Reference
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
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