Question Number 125125 by Study last updated on 08/Dec/20
$$\underset{\frac{\pi}{\mathrm{6}}} {\int}\frac{\overset{\frac{\pi}{\mathrm{3}}} {{s}inx}\:}{{x}}{dx}=? \\ $$
Commented by Dwaipayan Shikari last updated on 08/Dec/20
$${Si}\left(\frac{\pi}{\mathrm{3}}\right)−{Si}\left(\frac{\pi}{\mathrm{6}}\right) \\ $$