.. _docs-meteoinfolab-numeric-funcitons-cos: ******************* cos ******************* .. currentmodule:: mipylib.numeric.minum .. function:: cos(x) Trigonometric cosine, element-wise. :param x: (*array_like*) Angle, in radians. :returns: (*array_like*) The cosine of each element of x. Examples:: >>> cos(array([0, pi/2, pi])) array([1.0, 6.123233995736766E-17, -1.0])