Table of Contents

ACos(cosine)

Category: Number function


Description

This function returns the arccosine - the angle, in radians1), whose cosine is cosine.


Arguments

ArgumentTypeDescription
cosineNumber (between -1 and 1)The cosine of an angle.


Return value type: Number


Examples

acos( 0.707) //Returns .7855…
acos(0.000796) //Returns 1.57…


See also

1)
Conversion: radians = degrees * (Pi() / 180)