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$\int\left(1+\cos\left(x\right)\right)\left(1-\cos\left(x\right)\right)dx$
Learn how to solve integral calculus problems step by step online. Find the integral of (1+cos(x))(1-cos(x)). Find the integral. Rewrite the integrand \left(1+\cos\left(x\right)\right)\left(1-\cos\left(x\right)\right) in expanded form. Rewrite the trigonometric expression \sin\left(x\right)^2 inside the integral. Take the constant \frac{1}{2} out of the integral.