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$\int\left(1+\sin\left(x\right)\right)\left(1+\sin\left(-x\right)\right)dx$
Learn how to solve integral calculus problems step by step online. Find the integral of (1+sin(x))(1+sin(-x)). Find the integral. Rewrite the integrand \left(1+\sin\left(x\right)\right)\left(1+\sin\left(-x\right)\right) in expanded form. Expand the integral \int\left(1+\sin\left(-x\right)+\sin\left(x\right)+\sin\left(-x\right)\sin\left(x\right)\right)dx into 4 integrals using the sum rule for integrals, to then solve each integral separately. The integral \int1dx results in: x.