The angle that the vector a=2i+3j makes with x-axis is
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magnitude=√13
a*a=2*2+3*3=13
i is a unit vector along x axis
I*I=1
cosA=√13/√13*√1
cosA=1
A=0 degrees
the angle of vector is 0 degrees with x axis
a*a=2*2+3*3=13
i is a unit vector along x axis
I*I=1
cosA=√13/√13*√1
cosA=1
A=0 degrees
the angle of vector is 0 degrees with x axis
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