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If ′a′ and ′b′ are the greatest and least values of the function f(x)=cosx+12cos2x−13cos3x,x∈[0,2π], then |
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Answer» If ′a′ and ′b′ are the greatest and least values of the function f(x)=cosx+12cos2x−13cos3x,x∈[0,2π], then |
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