[例1] 若函数 (x+2)=sin 2x, 求f(x), (dfrac (1)(x)) 女-|||--10 A

求下列函数的反函数： (1) =dfrac (x+2)(x-2); (1) =dfrac (x+2)(x-2); (1) =dfrac (x+2)(x-2);求

设((sin )^2x)=dfrac (x)(sin x)，求((sin )^2x)=dfrac (x)(sin x) .设，求.

已知函数(x)=dfrac (x)(x+2)求 (x)=dfrac (x)(x+2)。已知函数求。

设函数 (x)=(e)^dfrac (1{x-1)}dfrac (ln |x+2|)({x)^2+x-6}求(x)=(e)^dfrac (1{x-1)}dfra

求极限lim _(xarrow 0)(dfrac (1)({sin )^2x}-dfrac ({cos )^2x}({x)^2})= ()求极限

[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 0)(dfrac (1)({sin )^2x}-dfrac (1)({x)^2}).求.

求下列函数的导数 ( 1 ) =sin dfrac (1)(x)( 2 )=sin dfrac (1)(x)( 3 )=sin dfrac (1)(x)求下列函

(sin x)=dfrac (1)({cos )^2x} in (0,dfrac (pi )(2)),则(sin x)=dfrac (1)({cos )^2x}