ACOSH

Name

Inverse hyperbolic cosine

Description

Returns the inverse hyperbolic cosine of the specified value.

Syntax

ACOSH(value)

Remarks

For the Value argument, you can specify any real number greater than or equal to 1.

Note that acosh(cosh(value)) = value.

See also ACOS, ASIN, ASINH, ATAN, ATAN2, ATANH, COS, COSH, SIN, SINH, TANH, and TAN.

Data Type

Accepts numeric data. Returns numeric data. For more information, see Data Type for Each Cell Type.

Example

ACOSH(1)=0
ACOSH(10)=2.9932228461