asin

Type

function

Summary

Returns the arc sine of a number in radians.

Syntax

the asin of <number>

asin(<number>)

Description

Use the asin function to find the arc sine of a number.

The arc sine of number is an angle whose sine is equal to number. In other words, asin is an inverse of the sin function.

If a math operation on finite inputs produces a non-finite output, an execution error is thrown. See math operations for more information.

Parameters

Name	Type	Description
number		A number between -1 and 1, or an expression that evaluates to such a number.

Examples

the asin of .225

sin(asin(.5))

asin(pi/4 - sin(myAngle))

Value

Name	Type	Description
return		The asin function returns a number between -pi/2 and pi/2.
the result		The result of the asin function is returned in radians. To get this result in degrees, use the following custom function: function asinInDegrees pMagnitude return asin(pMagnitude) * 180 / pi end asinInDegrees

Related

constant: pi

control structure: function

function: sin

glossary: radian, custom function, return, degree, math operation

keyword: inverse

Compatibility and Support

Introduced

LiveCode 1.0

OS

mac

windows

linux

ios

android

Platforms

desktop

server

mobile