Menu Close

Category: Integration

show-that-sin-x-sin-x-dx-xcos-x-sin-log-sin-x-

Question Number 95562 by peter frank last updated on 26/May/20 showthatsin(xθ)sinxdx=xcosxsinθlogsinx Answered by Ar Brandon last updated on 26/May/20 $$\boldsymbol{\mathrm{sin}}\left(\boldsymbol{\mathrm{x}}−\boldsymbol{\theta}\right)=\boldsymbol{\mathrm{sin}}\left(\boldsymbol{\mathrm{x}}\right)\boldsymbol{\mathrm{cos}}\left(\boldsymbol{\theta}\right)−\boldsymbol{\mathrm{cos}}\left(\boldsymbol{\mathrm{x}}\right)\boldsymbol{\mathrm{sin}}\left(\boldsymbol{\theta}\right) \

2x-3-dx-2x-2-4x-3-

Question Number 95547 by Fikret last updated on 25/May/20 2x3dx2x24x+3=? Answered by MJS last updated on 25/May/20 $$\int\frac{\mathrm{2}{x}^{\mathrm{3}} }{\mathrm{2}{x}^{\mathrm{2}} −\mathrm{4}{x}+\mathrm{3}}{dx}=\int\left({x}+\mathrm{2}+\frac{\mathrm{5}{x}−\mathrm{6}}{\mathrm{2}{x}^{\mathrm{2}} −\mathrm{4}{x}+\mathrm{3}}\right){dx}=…