# Question: Given the stresses in psi

Given the stresses in psi:
σxx = 1,500 σyy = −2,000 σzz = 3,500
τxy = 600 τyz = −300 τzx = −500
Where x = east, y = north, z = up, compression is positive, find: the secondary principal stresses in the zx-plane and sketch

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