.. _lang-cos: cos() ===== Calculates the cosine of an angle. Library Documentation --------------------- .. doxygenfunction:: cos Arduino Compatibility --------------------- The Maple ``cos()`` implementation is compatible with Arduino. Note that the Maple implementation comes from `newlib <http://sourceware.org/newlib/>`_\ , while Arduino's is that of `avr-libc <http://avr-libc.nongnu.org/>`_\ . See Also -------- - :ref:`sin() <lang-sin>` - :ref:`tan() <lang-tan>` - :ref:`float <lang-float>` - :ref:`double <lang-double>` .. include:: /arduino-cc-attribution.txt