def radians(x): return nd.radians(x)
def check_radians(): x = create_input_for_trigonometric_ops([0, 90, 180, 270, 360]) y = nd.radians(x) # expected ouput for indices=(0, 1, -3, -2, -1) after applying radians() expected_output = [0, np.pi / 2, np.pi, 3 * np.pi / 2, 2 * np.pi] assert_correctness_of_trigonometric_ops(y, expected_output)