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resolve-ln-cos-x-dx-




Question Number 158827 by LEKOUMA last updated on 09/Nov/21
resolve ∫ln (cos x)dx
$${resolve}\:\int\mathrm{ln}\:\left(\mathrm{cos}\:{x}\right){dx} \\ $$
Answered by Eldon last updated on 09/Nov/21
 −tan(x)+c  cεR
$$\:−{tan}\left({x}\right)+{c}\:\:{c}\epsilon{R} \\ $$
Commented by LEKOUMA last updated on 09/Nov/21
thanks
$${thanks} \\ $$

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