cot-x-ln-sin-x-dx-

Question Number 125965 by bramlexs22 last updated on 16/Dec/20

\int \cot x \ln (\sin x) d x ?

Answered by Lordose last updated on 16/Dec/20

\int \cot (x) \ln (\sin (x)) dx \overset{u = \ln (\sin (x))}{=} \int udu

= \frac{u^{2}}{2} + C = \frac{\ln^{2} \sin (x)}{2} + C

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