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求下列极限: lim _(xarrow alpha )dfrac (sin x-sin alpha )(x-alpha );求下列极限: ;
lim _(xarrow a)dfrac (sin x-sin a)(x-a)。。
lim _(xarrow 0)dfrac (x-sin x)(x+sin x)..
lim _(xarrow 0)dfrac (tan x-sin x)(x)
lim _(xarrow 0)dfrac ({e)^x-(e)^sin x}(x-sin x)..
(3) lim _(xarrow 0)dfrac (tan x-sin x)({sin )^3x}
(3) lim _(xarrow 0)dfrac (tan x-sin x)({sin )^3x};
(5) lim _(xarrow 0)dfrac (tan x-sin x)({sin )^3x}
3.lim _(xarrow 0)dfrac (tan x-sin x)({sin )^3x}.3..
lim _(xarrow 0)dfrac (tan x-x)(x-sin x)=______.______.