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Rewrite the function $\cos\left(x\right)$ as it's representation in Maclaurin series expansion
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$\int\frac{\sum_{n=0}^{\infty } \frac{{\left(-1\right)}^n}{\left(2n\right)!}x^{2n}}{x}dx$
Learn how to solve integral calculus problems step by step online. Find the integral int(cos(x)/x)dx. Rewrite the function \cos\left(x\right) as it's representation in Maclaurin series expansion. Bring the denominator x inside the power serie. Simplify the expression inside the integral. We can rewrite the power series as the following.