BÀI 3. 2 3 2(COS 1) COS .I X X DX= Ị -0P PP PCOS . 1 (1 COS 2 ).• A =...

7.

⁴

=

∫

+ + ^(B08);I = ^{4 3 2}−4 8.I dx

∫

+ ^(A2006);

2

2

cos 4sinx xxsin 2 2(1 sinx+cosx)

0

π

=

π

∫

+ (D05); 1

/ 2

6

4

tanI xdx

sin

I e x x dx(

^x

cos ) cosI _{= + −}e π4=

∫

^{(A2008); I =1}₂^{ln 2}

(

^{+ 3}

)

⁻_{9 3}¹⁰