Integral of $$$\frac{x \sin{\left(\cos^{3}{\left(x \right)} \left|{x}\right| \right)}}{\cos^{4}{\left(x \right)} + 1}$$$
The calculator will find the integral/antiderivative of $$$\frac{x \sin{\left(\cos^{3}{\left(x \right)} \left|{x}\right| \right)}}{\cos^{4}{\left(x \right)} + 1}$$$, with steps shown.
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Find $$$\int \frac{x \sin{\left(\cos^{3}{\left(x \right)} \left|{x}\right| \right)}}{\cos^{4}{\left(x \right)} + 1}\, dx$$$.