求lim _(arrow 0)dfrac (x-sin x)({(arctan x))^3}=lim _(arrow 0)dfrac (x-sin x)({(a
(6) lim _(xarrow infty )dfrac (arctan x)(x)
(2) lim _(xarrow infty )dfrac (arctan x)(x).
1.lim _(xarrow 0)dfrac (arctan x)(x)=1.
.求极限 lim _(xarrow infty )dfrac (arctan x)(x)..
lim _(xarrow 0)dfrac (x-tan x)(arctan {x)^3};;
(2) lim _(xarrow +infty )((dfrac {2)(pi )arctan x)}^x;
(11) lim _(xarrow +infty )((dfrac {2)(pi )arctan x)}^x
② lim _(xarrow 0)(x)^2arctan dfrac (1)(x);
(13) lim _(xarrow 0)((dfrac {arctan x)(x))}^dfrac (1{{x)^2}}