- Processing
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- Processing Foundation

This reference is for Processing 3.0+. If you have a previous version, use the reference included with your software in the Help menu. If you see any errors or have suggestions, please let us know. If you prefer a more technical reference, visit the Processing Core Javadoc and Libraries 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(angle)
Parameters |
angle | float: an angle in radians
Returns | float
Related | cos() tan() radians()

Updated on July 4, 2018 11:56:42am EDT