.guys please solve the question
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given A=3 B=4 A.B=-5
angle between A and B is
cos(theeta)= a.b/ A B
cos(theeta)= (-5)/3×4
cos (theeta)=-5/12
theeta= cos^(-1)(-5/12)
angle between A and B is
cos(theeta)= a.b/ A B
cos(theeta)= (-5)/3×4
cos (theeta)=-5/12
theeta= cos^(-1)(-5/12)
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