ACosH

Returns the inverse hyperbolic cosine of a number. Number must be greater than or equal to 1. The inverse hyperbolic cosine is the value whose hyperbolic cosine is number, so ACosH(CosH(number)) equals the number.

Syntax

Rhino.ACosH (dblNumber)

Parameters

dblNumber

Required. Number. A number equal to or greater than 1.

Returns

Number	The inverse hyperbolic cosine of a number if successful.
Null	If not successful, or on error.

Example

MsgBox Rhino.ACosH(1.0)

Also See

ASinH

ATanH