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I cannot figure out part one of e...if i dont the inverse tangent it doesnt work out...can someone explain what to do?

o vectors A-^-^ and B--^ Consider the two vectors A = i-J and B =-i-aj B i3 (a) Calculate A (b) Calculate A-B 2 i1 티 (c) Calculate A B (d) Calculate A - B 2.23 (e) Calculate the directions of AB and A - B A +B A-B 26.5 。(counterclockwise from the +x axis) Draw a careful picture of this vector and then check your trigonometry definitions.。( ounterclockwise from the +x axis)

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Answer #1

e ) tan theta = Y/x

theta = arc tan ( -3/0)

theta = 270 degree   ( anwser )

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