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Originally I got arctan(2.50/5.00) = 26.56 degrees, but this was wrong so I added 180 degrees...

Originally I got arctan(2.50/5.00) = 26.56 degrees, but this was wrong so I added 180 degrees which was also wrong, and even did -25.56 + 360 which was also wrong. Need help with the degrees in relation to the coordinate plane (I thought the 25.56 was counterclockwise). Drawings would be appreciated. Thanks!

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Answer #1

Yes buddy you are right , angle of a+b vector should be 26.56 degree counterclockwise from positive x axis . You should try it again probably you make mistakes in filling uo the value .

7b) 6.56 )1 angle must be H6-S6 Countercleclewise bxom x-axis

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