(8) lim _(xarrow dfrac {pi )(2)}dfrac (tan x)(tan 3x)

(8) lim _(xarrow dfrac {pi )(2)}dfrac (tan x)(tan 3x)

lim _(xarrow pi )dfrac (sin 3x)(tan 5x);;

lim _(xarrow pi )dfrac (sin 3x)(tan 5x)。。

极限lim _(xarrow 0)dfrac (tan 3x)(x)=__________极限__________

lim _(xarrow dfrac {pi )(2)}((sin x))^tan x=（ ）（ ）

lim _(xarrow 0)dfrac (tan 5x)(3x)=dfrac (5)(3) ()

lim _(xarrow 1)(1-x)tan dfrac (pi x)(2)-|||-__..

(3) lim _(xarrow 0)dfrac (tan x-sin x)({sin )^3x}

(3) lim _(xarrow 0)dfrac (tan x-sin x)({sin )^3x};

(5) lim _(xarrow 0)dfrac (tan x-sin x)({sin )^3x}