def rotate(th):
    s = sin(th)
    rv = eye(3)*cos(th)
    rv[0, 1] = s
    rv[1, 0] = -s
    rv[2, 2] = 1
    return rv
Returns ``True`` if bcrypt should be used.
dataset/ETHPy150Open sympy/sympy/sympy/geometry/entity.py/rotate--crossover with--dataset/ETHPy150Open dwaiter/django-bcrypt/django_bcrypt/models.py/is_enabled