11 单选 -|||-lim _(xarrow {pi )_(+)}dfrac (sqrt {1+cos x)}(sin x)= ()-|||-○

lim _(xarrow dfrac {pi )(2)}((1+cos x))^3sec x;

(11) lim _(xarrow 0)dfrac (3sin x+{x)^2cos dfrac (1)(x)}((1+cos x)ln (1+x))= __

计算lim _(xarrow 0)dfrac (ln (dfrac {1+x)(1-x))}((1+cos x)sin x)计算

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

求极限 lim _(xarrow 1)dfrac (ln [ cos (x-1)] )(1-sin dfrac {pi )(2)x}

[题目]求极限 lim _(xarrow 0)dfrac (3sin x+{x)^2cos dfrac (1)(x)}((1+cos x)ln (1+x))

lim _(xarrow 1)dfrac (sin pi x)(x-1);-|||-__

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

lim _(xarrow -1)dfrac (x-{x)^3}(sin pi x)=

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