Reference for Processing version 1.5. 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 | ### sin()
Examples |
    float a = 0.0;
    float inc = TWO_PI/25.0;

    for(int i=0; i<100; i=i+4) {
      line(i, 50, i, 50+sin(a)*40.0);
      a = a + inc;
    }
Description | Calculates the sine of an angle. This function expects the values of the angle parameter to be provided in radians (values from 0 to 6.28). Values are returned in the range -1 to 1.
Syntax |
    sin(rad)
Parameters |
rad | float: an angle in radians
Returns | float
Usage | Web & Application
Related | cos() radians()

Updated on August 30, 2010 04:29:39pm EDT