lim _(xarrow infty )(1-cos x)sin dfrac (1)(x)= __ _.

计算__-|||-lim _(xarrow infty )((sin dfrac {1)(x)+cos dfrac (1)(x))}^x计算

求极限：lim _(xarrow infty )((sin dfrac {1)(x)+cos dfrac (1)(x))}^x-|||-__ __求极限：

[题目]求 lim _(xarrow infty )((sin dfrac {2)(x)+cos dfrac (1)(x))}^x

[题目]求极限 lim _(xarrow infty )((sin dfrac {2)(x)+cos dfrac (1)(x))}^x= __

[例1.25] 求极限 lim _(xarrow infty )((sin dfrac {1)(x)+cos dfrac (1)(x))}^x.

(3) lim _(xarrow 0)dfrac (1-cos 3x)({sin )^2x}

求极限lim _(xarrow {0)^+}dfrac (1-sqrt {cos x)}(x(1-cos sqrt {x))}求极限

【题目]-|||-lim _(xarrow infty )x sin [ 1+dfrac {3)(x))] -sin [ ln (1+dfrac (1)(x))

极限lim _(xarrow infty )(x)^2(2-xsin dfrac (1)(x)-cos dfrac (1)(x))=A.lim _(xarrow

(15)lim _(xarrow 0)dfrac (1-cos 2x)(xsin x)(15)