

(11) int dfrac (sin x+cos x)(sqrt [3]{sin x-cos x)}dx
int dfrac (sin x-cos x)(sin x+cos x)dx==
求int dfrac (cos x)(sin x+cos x)dx.求.
14.int(sin x+3cos x)/(2sin x+cos x)dx=____14.$\int\frac{\sin x+3\cos x}{2\sin x+
int dfrac (sin x)({cos )^3x}dx=______.______.
int dfrac (cos 2x)(cos x+sin x)dx
( 13 int dfrac (sin x)({cos )^3x}dx ;
(13 ) int dfrac (sin x)({cos )^3x}dx;
计算不定积分int (x+cos x)dx=()A int (x+cos x)dx=B int (x+cos x)dx= C int (x+cos x)dx=
计算int dfrac (dx)(cos x(1+sin x))计算