Como arredondar elementos Matrix em sympy?

Como sabemo from sympy import * x = sin(pi/4) y = sin(pi/5) A = Matrix([x, y]) print(x) print(A.evalf()) exibe sqrt(2)/2 Matrix([[0.707106781186548], [0.587785252292473]])Tã print(round(x.evalf(), 3)) print(round(y.evalf(), 3)) exibe 0.707 ...