Find $ \int \cos(x) \frac {\ln(\sin(x))} {\ln(\tan(x))}dx$

According to Maple this antiderivative is not elementary. Since this involves the "purely transcendental" case of the Risch-Norman algorithm, which I believe Maple has implemented completely, I'm confident that this is correct.

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Integration

Calculus

Indefinite Integrals

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