(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

find the magnitude and the angle that it makes with the positive x-axis?

http://imageshack.us/photo/my-images/594/unledzmo.png/

2. Relevant equations

3. The attempt at a solution

The answer that I have is

F= 179.37 at an angle of 91 degrees. Am I right?

I took F1 and multiplied that by <cos60,sin60>, F2 multiplied that by <cos135,sin135>,F3 multiplied by <cos270,sin270> and then I added up all those vectors. then I used the Pythagorean theorem to get the magnitude then I took the inverse cosign of the x component of the resulting vector divided by the magnitude to get 91 degrees.

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# Find the magnitude and the angle that it makes with the positive x-axis?

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