Solution Formulas Videos Step-by-step Solution Problem to solve: $\int x\cdot\sin\left(x\right)\cdot\frac{1}{\cos\left(x\right)}dx$ Specify the solving method Choose an optionBasic IntegralsIntegration by SubstitutionIntegration by PartsSuggest a method or feature Send Final Answer Sorry, we couldn't solve this problem right now. Please check back later or try another solving method.