int dfrac (cos 2x)(cos x+sin x)dx

int dfrac (sin x)(1+{cos )^2x}dx=-|||-__

[题目] int dfrac (x+sin x)(1+cos x)dx,

)int dfrac (1)({cos )^2x(sin )^2x}dx.

求下列不定积分:-|||-(22) int dfrac (cos 2x)({cos )^2x(sin )^2x}dx ;

int dfrac (sin x-cos x)(sin x+cos x)dx==

.int dfrac (1+{cos )^2x}(1+cos 2x)dx

(int )_(0)^dfrac (pi {4)}dfrac (x)(1+cos 2x)dx=( ) .(int )_(0)^dfrac (pi {4)}dfr

求int dfrac (cos x)(sin x+cos x)dx.求.

int dfrac (sin x+cos x)(sqrt [3]{sin x-cos x)}dx

(11) int dfrac (sin x+cos x)(sqrt [3]{sin x-cos x)}dx