函数(x)=sin (2x+dfrac (pi )(6))的最小正周期为___________ .

函数(x)=sin (2x+dfrac (pi )(6))的最小正周期为　　．函数的最小正周期为　　．

[题目]-|||-函数 (x)=sin pi x 的最小正周期为 __

已知函数 (x)=dfrac (1)(2)sin (2x-dfrac (pi )(3)) x∈R,-|||-(1)求f(x)的最小正周期;-|||-(2)求f(

[单选题]函数y=2sin6x的最小正周期为 （ ）

2.求下列函数的极值:-|||-(6) (x)=sin x+cos x(-dfrac (pi )(2)leqslant xleqslant dfrac (pi

[题目]求函数 =2sin 3x, .in [ -dfrac (pi )(6),dfrac (pi )(6)] 的反函-|||-数.

(int )_(-dfrac {pi )(2)}^dfrac (pi {2)}((cos )^2x+dfrac (xcos x)(1+{cos )^2x})dx

[题目]-|||-函数 =sin 3x 的最小正周期为是 ()

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

+dfrac (1)({(2n-1))^2}(2n-1)x+... ] -|||-(B) dfrac (2)(pi )[ dfrac (1)({2)^2}sin