Question Number 159522 by mathlove last updated on 18/Nov/21
$$\underset{{x}\rightarrow\mathrm{0}} {\mathrm{lim}}\frac{{sin}\left({sinx}\right)}{{x}}=? \\ $$
Commented by cortano last updated on 18/Nov/21
$$\:\underset{{x}\rightarrow\mathrm{0}} {\mathrm{lim}}\:\frac{\mathrm{sin}\:\left(\mathrm{sin}\:{x}\right)}{\mathrm{sin}\:{x}}\:×\:\frac{\mathrm{sin}\:{x}}{{x}}\:=\:\mathrm{1} \\ $$