int ((2)^xsin (x)^2)dx= ()-|||-(4) ^xsin (x)^2-|||-circled (8) ln 2cdot (2)^xcdot sin (x)^2+(2)^xcdot 2xsin (x)^2-|||-C 以上都不对-|||-D ^xsin (x)^2+C

int (e)^-2xsin dfrac (x)(2)dx; ;

求 int(cos2x)/(cos^2xsin^2x) dx 。求$ \int\frac{cos2x}{cos^2xsin^2x} dx $。

int dfrac (2cdot {3)^x-5cdot (2)^x}({3)^x}dx-|||-__；；

int t(e)^-2tdt.-|||-.int (ln )^2xdx-|||-.int xsin xcos xdx.-|||-15. int (x)^2(co

(int )_(0)^pi ((xsin x))^2dx; ;

(int )_(0)^pi ((xsin x))^2dx..

定积分(int )_(-4)^4((e)^(x^2)sin x+2)dx=( )(int )_(-4)^4((e)^(x^2)sin x+2)dx=( )定

判断下列函数的奇偶性-|||-(1) (x)=x(sin )^2x:-|||-(2) (x)=xsin (x)^2-|||-(3) (x)=sin (arcta

int (3 cdot 2^x - 2 cdot 3^x)/(2^x) dx =A. $3x - 2\ln \frac{3}{2} \cdot \left(\f

.(int )_(-2)^2dfrac (x+|x|)(2+{x)^2}dx= __ .