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

3. - ON THI TICH PHAN DAY DUCO DE THI DH CAC NAM DAP AN 3. - ON THI TICH PHAN DAY DUCO DE THI DH CAC NAM DAP AN
ON THI TICH PHAN DAY DUCO DE THI DH CAC NAM DAP AN
3.

2

I dx=

ị

+ (KB-2005); I =2ln 2 1−1 cosx1+3cosx

0

π

p

x dx