【题目】-|||-dfrac (d)(dx)(int )_(sin x)^cos xcos (pi (t)^2)dt .

【题目】-|||-dfrac (d)(dx)(int )_(sin x)^cos xcos (pi (t)^2)dt .

5.计算下列各导数:-|||-(3) dfrac (d)(dx)(int )_(sin x)^cos xcos (pi (t)^2)dt .

(d)/(dx)int_(sin x)^cos x cos(pi t^2) , dt = ( ). $\frac{d}{dx}\int_{\sin x}^{\c

(int )_(-dfrac {pi )(2)}^dfrac (pi {2)}((cos )^2x+dfrac (xcos x)(1+{cos )^2x})dx

(int )_(-dfrac {pi )(2)}^dfrac (pi {2)}dfrac (|x|sin x)(1+{cos )^3x}dx=(int )_(-

[题目]-|||-计算下列定积分.-|||-(int )_(0)^dfrac (pi {2)}|sin x-cos x|dx ;

[题目]计算定积分: (int )_(-dfrac {pi )(2)}^dfrac (pi {2)}((|x|+sin x))^2dx

[题目] int xcos dfrac (x)(2)dx

[题目] int xcos dfrac (x)(2)dx

[题目] int dfrac (x+sin x)(1+cos x)dx,