Question 175200
please help me on my homework. i really need your help 
1. the resultant of two forces is 70 newtons. find the angles between the forces, if the magnitude of the two forces are 40 and 50 newtons.
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I'll do this one later.
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2. two forces of 60 lbs and 40 lbs have an included angle of 50 degrees. find the magnitude and the direction of the resultant.
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Go to 
http://hyperphysics.phy-astr.gsu.edu/hbase/vect.html
It shows how to do it, then it does it for you.