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lim _(xarrow pi )dfrac (sin 3x)(tan 5x)。。
lim _(xarrow pi )dfrac (sin 3x)(tan 5x);;
(8) lim _(xarrow dfrac {pi )(2)}dfrac (tan x)(tan 3x)
(8) lim _(xarrow dfrac {pi )(2)}dfrac (tan x)(tan 3x)
lim ((sin x))^tan x-|||-arrow dfrac (pi )(2)
lim _(xarrow 1)(1-x)tan dfrac (pi x)(2)-|||-__..
计算 lim _(xarrow dfrac {pi )(2)}dfrac (ln sin x)({(pi -2x))^2}
求lim _(xarrow dfrac {pi )(2)}dfrac (ln sin x)({(pi -2x))^2}求
(15) lim _(xarrow pi )dfrac (sin 2(x-pi ))(x-pi );
(8)lim ((sin x))^tan x-|||-arrow dfrac (pi )(2)