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.. _arduino-sin:

sin(rad)
========

Description
-----------

Calculates the sine of an angle (in radians). The result will be
between -1 and 1.



Parameters
----------

rad: the angle in radians (*float*)



Returns
-------

the sine of the angle (*double*)



See also
--------


-  `cos <http://arduino.cc/en/Reference/Cos>`_\ ()
-  `tan <http://arduino.cc/en/Reference/Tan>`_\ ()
-  `float <http://arduino.cc/en/Reference/Float>`_
-  `double <http://arduino.cc/en/Reference/Double>`_