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$\int\frac{\sin\left(x\right)^2}{\cos\left(x\right)^2}dx$
Learn how to solve problems step by step online. Integrate the function (sin(x)^2)/(cos(x)^2). Find the integral. We can solve the integral \int\frac{\sin\left(x\right)^2}{\cos\left(x\right)^2}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. Substituting in the original integral we get.