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$\int\tan\left(x\right)\cos\left(x\right)dx$
Learn how to solve integral calculus problems step by step online. Integrate the function tan(x)cos(x). Find the integral. Applying the trigonometric identity: \tan\left(\theta \right)\cos\left(\theta \right) = \sin\left(\theta \right). We can solve the integral \int\sin\left(x\right)dx by applying the method Weierstrass substitution (also known as tangent half-angle substitution) which converts an integral of trigonometric functions into a rational function of t by setting the substitution. Hence.