def arctan2(a, b):
'''Inverse tangent of a/b with correct choice of quadrant'''
return _maths.arctan2(a, b)
def arctan2(a, b):
"""Inverse tangent of a/b with correct choice of quadrant"""
return _maths.arctan2(a, b)
def arctan2(a, b):
'''Inverse tangent of a/b with correct choice of quadrant'''
return _maths.arctan2(a, b)
def arctan2(a, b):
"""Inverse tangent of a/b with correct choice of quadrant"""
return _maths.arctan2(a, b)