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$\int\frac{1-\cos\left(4x\right)}{1+\cos\left(2x\right)}dx$
Learn how to solve integral calculus problems step by step online. Integrate the function (1-cos(4x))/(1+cos(2x)). Find the integral. Rewrite the trigonometric expression \frac{1-\cos\left(4x\right)}{1+\cos\left(2x\right)} inside the integral. The integral of a function times a constant (4) is equal to the constant times the integral of the function. Rewrite the trigonometric expression \sin\left(x\right)^2 inside the integral.