def cos(data=None, name=None, attr=None, out=None, **kwargs):
    """Computes the element-wise cosine of the input array.

    The input should be in radians (:math:`2\\pi` rad equals 360 degrees).

    .. math::
       cos([0, \\pi/4, \\pi/2]) = [1, 0.707, 0]

    The storage type of ``cos`` output is always dense



    Defined in src/operator/tensor/elemwise_unary_op_trig.cc:L90

    Parameters
    ----------
    data : Symbol
        The input array.

    name : string, optional.
        Name of the resulting symbol.

    Returns
    -------
    Symbol
        The result symbol.
    """
    return 0,
