∫(cos⁡5x+cos⁡4x)1−2cos⁡3xdx\int \frac{(\cos 5x + \cos 4x)}{1 - 2\cos 3x} dx

Mathematics

Problem

∫(cos⁡5x+cos⁡4x)1−2cos⁡3xdx\int \frac{(\cos 5x + \cos 4x)}{1 - 2\cos 3x} dx

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