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[" If "[2cos x]+[sin x]=-3" ,then the ra...

[" If "[2cos x]+[sin x]=-3" ,then the range of the function,"f(x)=sin x+sqrt(3)cos x" in "[0,2 pi]" lies in "],[" (where "[1]" denotes greatest integer function) "],[[" (A) "[-sqrt(3),sqrt(3))," (B) "[-2,-sqrt(3)]," (C) "[-3,-1]," (D) "[-2,-sqrt(3))]]

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