Question Number 130483 by benjo_mathlover last updated on 26/Jan/21
Answered by EDWIN88 last updated on 10/Feb/21
$$\left(\mathrm{5}\right)\:\underset{{x}\rightarrow−\mathrm{1}} {\mathrm{lim}cos}\:\left(\mathrm{f}\left(\mathrm{x}\right)\right)=\mathrm{cos}\:\underset{{x}\rightarrow−\mathrm{1}} {\mathrm{lim}f}\left(\mathrm{x}\right)=\mathrm{cos}\:\left(−\mathrm{1}\right)=\mathrm{cos}\:\mathrm{1} \\ $$