Question Number 158827 by LEKOUMA last updated on 09/Nov/21

$${resolve}\:\int\mathrm{ln}\:\left(\mathrm{cos}\:{x}\right){dx} \\ $$
Answered by Eldon last updated on 09/Nov/21

$$\:−{tan}\left({x}\right)+{c}\:\:{c}\epsilon{R} \\ $$
Commented by LEKOUMA last updated on 09/Nov/21

$${thanks} \\ $$