cos()

Description

Calculates the cosine of an angle. This function expects the values of the angle parameter to be provided in radians (values from 0 to PI*2). Values are returned in the range -1 to 1.

Related

• sin()
• tan()
• radians()

Example

float a = 0.0;
float inc = TWO_PI/25.0;
for (int i = 0; i < 25; i++) {
  line(i*4, 50, i*4, 50+cos(a)*40.0);
  a = a + inc;
}