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What are the tensions in each of the 4 cables supporting the lamp, if the lamp weighs 50 lbs and the coordinate direction angles

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What are the tensions in each of the 4 cables supporting the lamp, if the lamp weighs 50 lbs and the coordinate direction angles for Cable B are a = 100, B = 135 and y = 46.73? Cable B Cable C 1.5 ft 3 ft Z Cable D 30 45 Cable A

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