I am trying to set up a program that solves 3 equations for 3 unknowns to determine my directional stresses in the attached equation. I know r1, r2, and phi, and I am trying to solve for rx, ry, and Txy. Please see attached.
Is there a way in Mathcad Prime 2.0 to set up 3 equations for 3 unknowns and have it solve?
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