Question Number 207947 by NasaSara last updated on 31/May/24
$${find}\:{the}\:{domain}\:{of}\: \\ $$$${f}\left({x}\right)=\:\frac{\lfloor{ln}\left({x}\right)\rfloor\left({fractional}\:{part}\left(\sqrt{{x}−{tanx}}\right)\right)}{\lceil{sin}\left(\frac{\mathrm{1}}{{x}}\right)\rceil} \\ $$