A. -sinx+cosx+C
B. sinx-cosx+C
C. -sinx-cosx+C
D. sinx+cosx+C
int dfrac (sin x-cos x)(sin x+cos x)dx==
int dfrac (sin x+cos x)(sqrt [3]{sin x-cos x)}dx
求int dfrac (cos x)(sin x+cos x)dx.求.
int dfrac (cos 2x)(cos x+sin x)dx
(11) int dfrac (sin x+cos x)(sqrt [3]{sin x-cos x)}dx
int dfrac (sin x)({cos )^3x}dx=______.______.
14.int(sin x+3cos x)/(2sin x+cos x)dx=____14.$\int\frac{\sin x+3\cos x}{2\sin x+
int cos xcdot cos (sin x)dx=sin (sin x)+C.A.对B.错.A.对B.错
( 13 int dfrac (sin x)({cos )^3x}dx ;
(13 ) int dfrac (sin x)({cos )^3x}dx;