The range of the function f(x) = 3 ...
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The range of the function f(x) = 3 sinx1-2 cosxlis (a) [-2 V13] (b) 1-2, 3] (c) [3, 13] (d) none of these

JEE/Engineering Exams
Maths
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31) ( f(x)=3 / sin x|-2| cos x mid ) Maxemcem ( =3 quad ) At ( x=pi / 2 ) menimum ( =-2 quad ) At ( x=0 ) ( operatorname{Rang}=[-2,3] quad ) Ans ( b )
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