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find-sinx-1-2-cosx-dx-




Question Number 42800 by maxmathsup by imad last updated on 02/Sep/18
find ∫     ((sinx)/(1+2 cosx))dx
$${find}\:\int\:\:\:\:\:\frac{{sinx}}{\mathrm{1}+\mathrm{2}\:{cosx}}{dx} \\ $$
Answered by malwaan last updated on 03/Sep/18
−(1/2)ln∣1+2cosx∣+c
$$−\frac{\mathrm{1}}{\mathrm{2}}\mathrm{ln}\mid\mathrm{1}+\mathrm{2cosx}\mid+\mathrm{c} \\ $$

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