00. 1. 1  2  2XF COTGX SIN DXXF TGX COS DX HOẶC B. 03DX...

13. - BAI TAP TICH PHAN CO DAP AN
BAI TAP TICH PHAN CO DAP AN
13.

0

. 1

 

2

xf cotgx sin dxf tgx cos dx

hoặc

b.

3

dx

dx

x

x

2 ln 2

/ 4

cos .cos

x

x

sin .cos

ln 3 1

4