Que: 28. solve this one
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Given in the question :-
vector = 2 i + 3 j .
See the figure in the attachment .
2 i = x- axis
3 j = y axis .
angle that vector ( 2 i + 3 j ) makes with y - axis is :-
according to The diagram => tanϴ = 3/2
now angle will be => ϴ=tan^-1(3/2) .
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