Question: How to simplify euclidean norm in spherical coodinates?

How do I convince MAPLE to simplify this Euclidean norm? > (D[1](P))(rho, theta, phi); Vector[column](%id = 230612588) > Norm(%, 2); / 2 2 2\ \|cos(phi) sin(theta)| + |sin(phi) sin(theta)| + |cos(theta)| /^ (1/2) > simplify(%, trig); / 2 2 2\ \|cos(phi) sin(theta)| + |sin(phi) sin(theta)| + |cos(theta)| /^ (1/2)

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