计算：$\int{(\sin ax-{{\text{e}}^{\frac{x}{b}}}})dx$．
求下列不定积分(其中a、b、w、φ均为常数):-|||-(5) int (sin ax-(e)^dfrac (x{b)})dx;-|||-(6) int dfr
(int )_(0)^2pi |sin x|dx.
求int dfrac (cos x)(sin x+cos x)dx.求.
(2012年.三.3) 计算定积分 int_(0)^pisqrt(sin^3)x-sin^(5x)dx.(2012年.三.3) 计算定积分 $\int_{0}^
)int dfrac (1)({cos )^2x(sin )^2x}dx.
int (e)^sqrt (3x+9)dx.
(int )_(e)^sqrt (3x+9)dx.
二、计算 (int )_(0)^+infty (e)^-2x|sin x|dx
14、计算定积分int_(1)^e(ln^2x)/(x)dx.14、计算定积分$\int_{1}^{e}\frac{\ln^{2}x}{x}dx$.
17.计算int_(1)^2dyint_(sqrt(y-1))^1(sin x)/(x)dx.17.计算$\int_{1}^{2}dy\int_{\sqrt{y