cos

Type

function

Summary

Returns the cosine of an angle (in radians).

Syntax

the cos of <angle>

cos(<angle>)

Description

Use the cos function to find the cosine of an angle.

The cos function repeats every 2 * pi radians: cos(x) = cos(x + 2 * pi), for any value of x.

The cos function requires its input to be in radians. To provide an angle in degrees, use the following custom function:

    function cosInDegrees angleInDegrees
    	return cos(angleInDegrees * pi / 180)
    end cosInDegrees

Parameters

Name	Type	Description
angle		A positive or negative number, or an expression that evaluates to a number.

Examples

cos(pi)

the cos of 0

put cos(the startAngle of graphic 3) into field "Cosine"

Value

Name	Type	Description
return		The cos function returns a number between -1 and 1.

Related

constant: pi

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

Compatibility and Support

Introduced

LiveCode 1.0

OS

mac

windows

linux

ios

android

Platforms

desktop

server

mobile