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$\int\left(\sin\left(a\right)-1\right)\left(\sin\left(a\right)-1\right)da$
Learn how to solve problems step by step online. Find the integral of (sin(a)-1)(sin(a)-1). Find the integral. When multiplying two powers that have the same base (\sin\left(a\right)-1), you can add the exponents. Rewrite the integrand \left(\sin\left(a\right)-1\right)^2 in expanded form. Expand the integral \int\left(\sin\left(a\right)^2-2\sin\left(a\right)+1\right)da into 3 integrals using the sum rule for integrals, to then solve each integral separately.