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FutureBasic 5
acosh
function
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
returns a double-precision result.
See Also:
cosh
;
asinh
;
atanh