(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

let u=lnx

du=1/x*dx

dv=cosdx

v=-sin

2. Relevant equations

Now im confused as im getting nowhere with this substiution, i learned the LIPTE rule but its quite confusing, i have a function within a function

3. The attempt at a solution

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# Integrate cos(lnx)dx

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