Math.acosh

Returns the inverse hyperbolic cosine of a number.

Syntax

acosh(value)

Parameters

• value

  A value that is greater or equal to 1.

Return value

An inverse hyperbolic cosine of a number.

If the value is less than 1, returns NaN.

Example

Math.acosh(10)

2.993222846126381

Math.acosh(0)

NaN

Math.acosh(Infinity)

Inifinity