scipy.special.cosdg

scipy.special.cosdg(x, out=None) = <ufunc 'cosdg'>

Cosine of the angle x given in degrees.

Parameters

xarray_like

Angle, given in degrees.

outndarray, optional

Optional output array for the function results.

Returns

scalar or ndarray

Cosine of the input.

See also

sindg, tandg, cotdg

Examples

>>> import scipy.special as sc

It is more accurate than using cosine directly.

>>> x = 90 + 180 * np.arange(3)
>>> sc.cosdg(x)
array([-0.,  0., -0.])
>>> np.cos(x * np.pi / 180)
array([ 6.1232340e-17, -1.8369702e-16,  3.0616170e-16])