T
tony11b5


tiếp nè mấy pro ơi !!!!!!!!!!!!
[tex]\int\frac{1}{1+3^{x}}dx[/tex]
[tex]\int\frac{sinx}{1+sin2x}dx[/tex]
[tex]\int{\frac{1}{cos(x+\frac{\pi}{4})}dx[/tex]
HELP MEEEEEE
[tex]\int\frac{1}{1+3^{x}}dx[/tex]
[tex]\int\frac{sinx}{1+sin2x}dx[/tex]
[tex]\int{\frac{1}{cos(x+\frac{\pi}{4})}dx[/tex]
HELP MEEEEEE