ASin

Description

Calculates the arc sine of an angle.

Syntax

ASin ( n )

Argument

Description

n

The ratio of the lengths of two sides of a triangle for which you want a corresponding angle (in radians). The ratio must be a value between -1 and 1.


Return value

Double. Returns the arc sine of n if it succeeds.

Examples

This expression returns .999998 (rounded to six places):

ASin(.84147)

This expression returns .520311 (rounded to six places):

ASin(LogTen (Pi (1)))

This expression returns 0:

ASin(0)

See also

Sin

ACos

ATan

Pi