Calculates the cosine of an angle.

Library Documentation

double cos(double x)

Compute the cosine of an angle, in radians.

  • x -

    The radian measure of the angle.


The cosine of x. This value will be between -1 and 1.

Arduino Compatibility

The Maple cos() implementation is compatible with Arduino.

Note that the Maple implementation comes from newlib, while Arduino’s is that of avr-libc.

See Also

License and Attribution

Portions of this page were adapted from the Arduino Reference Documentation, which is released under a Creative Commons Attribution-ShareAlike 3.0 License.