Question Number 166771 by cortano1 last updated on 27/Feb/22
$$\:\:\:\:\:\underset{{x}\rightarrow\mathrm{0}} {\mathrm{lim}}\:\frac{\sqrt{\mathrm{1}−\mathrm{cos}\:\mathrm{x}}−\sqrt[{\mathrm{3}}]{\mathrm{sin}\:\mathrm{x}}}{\mathrm{sin}\:^{\mathrm{2}} \mathrm{x}}\:=? \\ $$