(24 ) int (cos )^3xdx

int x(e)^-3xdx;

求下列不定积分:-|||-(26) int sin 2xcdot cos 3xdx;

不定积分 int (e)^2xcos 3xdx=

int (sin )^3x(cos )^5xdx= __ A.int (sin )^3x(cos )^5xdx= __ B.int (sin )

(int )_(0)^a(e)^3xdx=dfrac (1)(3)(e-1), 则a= () 。-|||-

A int cos xdx=sin x+CB int cos xdx=sin x+CC int cos xdx=sin x+CD int cos xdx=sin

(8)intcos^3xdx;(8)$\int\cos^{3}xdx;$

int cos ln xdx.20. $\int \cos \ln xdx$.

(15)int_(-(pi)/(2))^(pi)/(2)sqrt(cos x-cos^3)xdx;(15)$\int_{-\frac{\pi}{2}}^{\fr

int sin xdx=cos x+cA. 对B. 错