Category: Integration

Question Number 144431 by imjagoll last updated on 25/Jun/21 $$\int \tan \mathrm{x}\sin {}^2\mathrm{x}\cos {}^3\mathrm{x}\cot {}^4\mathrm{x}\mathrm{dx}=?$$ Answered by iloveisrael last updated on 25/Jun/21 $$\:\int\:\frac{\mathrm{cos}\:^{\mathrm{6}} \mathrm{x}\:\mathrm{sin}\:\mathrm{x}}{\mathrm{sin}\:^{\mathrm{2}} \mathrm{x}}\:\mathrm{dx}\:=\:\int\:\frac{\mathrm{cos}\:^{\mathrm{6}}…

Question Number 144409 by liberty last updated on 25/Jun/21 $$\int \frac{\mathrm{dx}}{(\mathrm{x}+3)\sqrt{1-{\mathrm{x}}^2}}?$$ Answered by iloveisrael last updated on 25/Jun/21 $$\mathrm{let}\mathrm{x}=\sin \mathrm{t}$$$$\mathrm{I}=\int\:\frac{\mathrm{cos}\:\mathrm{t}}{\left(\mathrm{3}+\mathrm{sin}\:\mathrm{t}\right)\sqrt{\mathrm{1}−\mathrm{sin}\:^{\mathrm{2}} \mathrm{t}}}\:\mathrm{dt} \…

Question Number 78853 by mind is power last updated on 21/Jan/20 $${\int }_0^{\frac{\pi }{2}}{\int }_0^{\frac{\pi }{2}}\frac{\sin \left(\mathrm{x}\right)+\sin \left(\mathrm{y}\right)}{\mathrm{x}+\mathrm{y}}\mathrm{dxdy}?$$ Answered by mind is power last updated…

Question Number 144348 by ArielVyny last updated on 24/Jun/21 Commented by Dwaipayan Shikari last updated on 24/Jun/21 $$SeeQ144057$$ Commented by ArielVyny last updated…

Question Number 144323 by qaz last updated on 24/Jun/21 $$\underset{\mathrm{i}=1}{\sum ^{\mathrm{n}}}\frac{{(-1)}^{\mathrm{n}+1}}{\mathrm{n}}=?$$ Answered by mathmax by abdo last updated on 25/Jun/21 $$\mathrm{A}_{\mathrm{n}}…