:mod:`math` --- Mathematical functions
======================================

Power and logarithmic functions
-------------------------------

.. function:: math.log(x)

   Returns the natural logarithm of *x* (to base *e*).

.. function:: math.pow(x, y)

   Returns ``x`` to the power of ``y``.

.. function:: math.sqrt(x)

   Returns the square root of ``x``.

Trigonometric functions
-----------------------

.. function:: math.sin(x)

   Returns the sine of ``x`` radians.

.. function:: math.cos(x)

   Returns the cosine of ``x`` radians.

.. function:: math.tan(x)

   Returns the tangent of ``x`` radians.

.. function:: math.acos(x)

   Returns the arc cosine of ``x``, in radians.

.. function:: math.asin(x)

   Returns the arc sine of ``x``, in radians.

.. function:: math.atan(x)

   Returns the arc tangent of ``x``, in radians.

Constants
---------

.. slot:: math.pi

   The mathematical constant pi = 3.141592...

.. slot:: math.e

   The mathematical constant e = 2.718281...