求lim _(xarrow infty )dfrac (sin dfrac {3)(x)}(sin dfrac {2)(x)}求
4、 lim _(xarrow infty )dfrac (sin x)(x)= __ ;
lim _(xarrow +infty )dfrac (sin x)(sqrt {x)}=0
【题目]-|||-lim _(xarrow infty )x sin [ 1+dfrac {3)(x))] -sin [ ln (1+dfrac (1)(x))
lim _(xarrow infty )dfrac (3{x)^2+5}(5x+3)sin dfrac (2)(x)= __
计算__-|||-lim _(xarrow infty )((sin dfrac {1)(x)+cos dfrac (1)(x))}^x计算
lim _(xarrow infty )(1-cos x)sin dfrac (1)(x)= __ _.
[题目]求 lim _(xarrow infty )((sin dfrac {2)(x)+cos dfrac (1)(x))}^x
lim _(xarrow infty )(dfrac (1)(x)sin 5x+xsin dfrac (8)(x))=
17、单选 lim _(xarrow infty )dfrac (sin 3x+2x)(sin 2x-3x)-|||-A dfrac (1)(3)-|||-B