计算下列不定积分int dfrac (1)(1+cos 2x)dx

计算不定积分int dfrac (2cos dfrac {1)(x)}({x)^2}dx计算不定积分

求不定积分int(x)/(1+cos x)dx.19.（5.0分）求不定积分$\int\frac{x}{1+\cos x}dx$.

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

4.计算下列不定积分.-|||-(6)int dfrac (sin dfrac {1)(x)}({x)^2}dx

int dfrac (1)(1+cos 2x)dx=______.______.

5.计算下列不定积分:-|||-(1) int dfrac (ln x-1)({x)^2}dx ;

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

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

计算下列不定积分.-|||-int dfrac ({e)^x(1+xln x)}(x)dx

求不定积分int dfrac (1)(2x)sqrt (ln x)dx=（）.int dfrac (1)(2x)sqrt (ln x)dx=int dfrac