SubArea: DerivativeLevel: BProject ID: 9000070801Accepted: 1Differentiate the following function. f(x)=3sinxcosxf′(x)=3cos(2x); x∈Rf′(x)=3; x∈Rf′(x)=−3cosxsinx; x∈Rf′(x)=3(cosx)2; x∈R