lim _(xarrow 0)dfrac (sin 4x)(sin x)= )-|||-__lim _(xarrow 0)dfrac (sin 4x)(sin x)= )-|||-__不存在lim _(xarrow 0)dfrac (sin 4x)(sin x)= )-|||-__lim _(xarrow 0)dfrac (sin 4x)(sin x)= )-|||-__lim _(xarrow 0)dfrac (sin 4x)(sin x)= )-|||-__

8.计算下列极限：(1) lim _(xarrow 0)dfrac (sin 4x)(sqrt {x+1)-1}(1) lim _(xarrow 0)dfrac

lim _(xarrow 0)dfrac (x-sin x)(x+sin x)..

lim _(xarrow 0)dfrac (sin x)({x)^3+4x}

lim _(xarrow 0)dfrac (x)(x+sin x)=（）。A.2B.1C.lim _(xarrow 0)dfrac (x)(x+sin x)=D

4、 lim _(xarrow infty )dfrac (sin x)(x)= __ ;

lim _(xarrow 0)dfrac (1)(x)sin dfrac (1)(x)？？

lim _(xarrow a)dfrac (sin x-sin a)(x-a)。。

lim _(xarrow 2)dfrac (sin (x-2))({x)^2-4}=lim _(xarrow 2)dfrac (sin (x-2))({x)^2

计算下列极限lim _(xarrow 0)(x)^2sin dfrac (1)(x)lim _(xarrow 0)(x)^2sin dfrac (1)(x)计算

lim _(xarrow +infty )dfrac (sin x)(sqrt {x)}=0