若函数=sin 3x，则=sin 3x_____.

函数 (x)=asin x+dfrac (1)(3)sin 3x 在x=π/3 处有极值,则 a= __-|||-__

设=sin 2x+(ln )^3x，求=sin 2x+(ln )^3x设，求

设=sin 2x+(ln )^3x，求=sin 2x+(ln )^3x设，求

(3) 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-sin x)({sin )^3x}.3..

int (sin )^3x(cos )^5xdx= __ A.int (sin )^3x(cos )^5xdx= __ B.int (sin )

函数y=sin 3x的最小正周期是____.45. (5.0分) 函数$y=\sin 3x$的最小正周期是____.

(5) lim _(xarrow 0)dfrac (tan x-sin x)({sin )^3x}

int dfrac (sin x)({cos )^3x}dx=______.______.