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node-stdlib 0.0.96%2Bds1%2B~cs0.0.429-2
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{{alias}}( x )
    Computes the versed cosine.

    The versed cosine is defined as `1 + cos(x)`.

    Parameters
    ----------
    x: number
        Input value (in radians).

    Returns
    -------
    y: number
        Versed cosine.

    Examples
    --------
    > var y = {{alias}}( 3.14 )
    ~0.0
    > y = {{alias}}( -4.2 )
    ~0.5097
    > y = {{alias}}( -4.6 )
    ~0.8878
    > y = {{alias}}( 9.5 )
    ~0.0028
    > y = {{alias}}( -0.0 )
    2.0

    See Also
    --------