Question Number 191723 by SANOGO last updated on 29/Apr/23
$$\int_{\mathrm{0}} ^{\mathrm{2}\pi} \mathrm{3}{sintcost}\:{dt} \\ $$
Answered by mehdee42 last updated on 29/Apr/23
![I=(3/2)sin^2 t ]_0 ^(2π) =0](Q191727.png)
$$\left.{I}=\frac{\mathrm{3}}{\mathrm{2}}{sin}^{\mathrm{2}} {t}\:\right]_{\mathrm{0}} ^{\mathrm{2}\pi} \:=\mathrm{0} \\ $$