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October 23, 2014

Homework Help: Trig Math

Posted by Jane on Monday, March 29, 2010 at 9:27pm.

I need help with this problem. I don't get how to do it or how they got that answer.
A force of 50 pounds acts on an object at an angle of 45 degrees. A second force of 75 pounds acts on the object at an angle of -30 degrees. What was the direction and the magnitude of the resultant force?

The answer is |F|≈ 100.33 lb and Ө ≈ -1.22 degress

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