Graph Software for Scientists & Engineers

ACOSH(x)

Returns the inverse of the hyperbolic cosine (cosh).

acosh defined

The input argument must be > 1.

y=acosh(x)

See also:

COSH
ASINH
Trigonometric and General Math Functions

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RUNS ON
Windows 7, 2008,
Vista, XP, NT,
ME, 2003, 2000,
Windows 98, 95
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