Category: Integration

Question Number 135867 by liberty last updated on 16/Mar/21 $$\sin {}^2\left(4x\right)+\cos {}^2\left(x\right)=2\sin \left(4x\right)\cos {}^2\left(x\right)$$$$$$ Answered by EDWIN88 last updated on 16/Mar/21 $$\mathrm{recall}\:\mathrm{cos}\:^{\mathrm{2}}…

Question Number 70262 by mathmax by abdo last updated on 02/Oct/19 $$calculate{\int }_0^{\frac{\pi }{4}}ln\left(cosx\right)dxand{\int }_0^{\frac{\pi }{4}}ln\left(sinx\right)dx$$ Commented by mathmax by abdo last updated…

Question Number 135777 by mathmax by abdo last updated on 15/Mar/21 $$\mathrm{let}{\mathrm{U}}_{\mathrm{n}}={\int }_{-\mathrm{\infty }}^{+\mathrm{\infty }}\frac{\cos \left(\mathrm{nx}\right)}{{({\mathrm{x}}^2-\mathrm{x}+1)}^2}\mathrm{dx}\mathrm{calculate}{\lim }_{\mathrm{n}\to +\mathrm{\infty }}{\mathrm{e}}^{{\mathrm{n}}^2}{\mathrm{U}}_{\mathrm{n}}$$ Answered by mathmax…

Question Number 70230 by ozodbek last updated on 02/Oct/19 Commented by Kunal12588 last updated on 02/Oct/19 $$Isit\int x^{x^x}{x}^{x}xdx?$$ Commented by Kunal12588…

Question Number 135737 by Ar Brandon last updated on 15/Mar/21 $${\int }_{-2\pi }^{4\pi }\frac{3}{5-4\mathrm{cosx}}\mathrm{dx}$$ Answered by mathmax by abdo last updated on 15/Mar/21 $$\Phi=\int_{−\mathrm{2}\pi}…