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.. _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:: cc-attribution.txt
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