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Questions  

A vector \large 3\hat i+4\hat j rotates about its tail through an angle 37o in anticlockwise direction then the new vector is

a
b
c
d

detailed solution

Correct option is C

The direction of vector with x-axis is Q = Tan-1(4/3) = 530 Total angle is 900 in anticlock wise direction means new vector is along y-axis i.e. =

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