4 Cable under concentrated vertical load Mixed approach

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4 Cable under concentrated vertical load Mixed approach.
Please notice that in 14:20 I divided by 12 and it should be 15. alpha2 is invtan(10.84/15) so alpha2 is 35.85 degrees)
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Thought Ax should be positive and Ay negative when calculating summation of moments from point E

tonny
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Distance between C and E is 30 not 20! Therefore Ay = 2.33 kip & Ax= 25.98 kip

mayacasabonne