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)
