This reference is for Processing 2.0+. If you have a previous version, use the reference included with your software. If you see any errors or have suggestions, please let us know. If you prefer a more technical reference, visit the Processing Javadoc.

Name

acos()

Examples
float a = PI;
float c = cos(a);
float ac = acos(c);
// Prints "3.1415927 : -1.0 : 3.1415927"
println(a + " : " + c + " : " +  ac);

float a = PI + PI/4.0;
float c = cos(a);
float ac = acos(c);
// Prints "3.926991 : -0.70710665 : 2.3561943"
println(a + " : " + c + " : " +  ac);
Description The inverse of cos(), returns the arc cosine of a value. This function expects the values in the range of -1 to 1 and values are returned in the range 0 to PI (3.1415927).
Syntax
acos(value)
Parameters
value float: the value whose arc cosine is to be returned
Returnsfloat
Relatedcos()
asin()
atan()
Updated on August 17, 2014 07:01:10pm EDT

Creative Commons License