[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= __

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

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

[题目]求 lim _(xarrow 0)(dfrac (1)({sin )^2x}-dfrac ({cos )^2x}({x)^2})

[题目]求 lim _(xarrow 0)(dfrac (1)({sin )^2x}-dfrac ({cos )^2x}({x)^2})

求lim _(xarrow infty )dfrac (sin dfrac {3)(x)}(sin dfrac {2)(x)}求

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

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

[题目] lim _(xarrow 0)(dfrac (1)({sin )^2x}-dfrac ({cos )^2x}({x)^2})= __

1.求下列极限:-|||-(1) lim _(xarrow 0)dfrac (sin 2x)(x);-|||-(3) lim _(xarrow dfrac {p