Express the forces in Cartesian form and find the resultant force

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Express each of the forces in Cartesian vector form
and determine the magnitude and coordinate direction
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fact "they are annoying" lol... You are the man! Thanks so much for doing ALL of these!!!

yourname
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dude you do all the problems, thank you

averytwo
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Why use the unit vector when previously you found the coordinate direction angles of the vectors then multiplied the force and cosine of the angle to get the Cartesian coordinates???

Robbie-Robb
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shouldnt the very last angle be 148.3 degrees?

sjchxhtriskit