| Language \ Environment \ Comparison |

| Index

| The Processing 1.0 _ALPHA_ Reference is a work in progress. If you see any errors or have any comments, please write to: reas at groupc.net

Name |  | ### tan()
Examples |  |
    float a = 0.0;
    float inc = TWO_PI/50.0;

    for(int i=0; i<100; i=i+2) {
      line(i, 50, i, 50+tan(a)*2.0);
      a = a + inc;
    }
Description |  | Calculates the tangent of an angle. The tan() function expects the values of the angle parameter in radians. The tangent of an angle is the ratio of the sine and cosine. Values are returned in the range infinity to -infinity.
Syntax |  |
    tan(angle)
Parameters |  |
angle |  | float: an angle measured in radians
Returns |  | float
Usage |  | Web & Application
Related |  | atan2() cos() sin() radians()

| © 2004 - 2001 Massachusetts Institute of Technology and Interaction Design Institute Ivrea |
| Processing is an open project initiated by Ben Fry and Casey Reas |