Question

the vector OA where O is origin is given by OA = 2 i + 2 J angle made by OA with positive x axis is ​

Answer 1

Answer:

45 degree because the magnitude is same in x as well as y direction, so the resultant will go straight from the origin at angle of 90/2=45degree

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Another bookish method is to find (perp. /base) i. e

tanx = 2/2=2

TanX=1

So x=45