N
noooo


giai phuong trinh lung giac sau
[tex]\{sqrt}2*sin(2x+pi/4)+2=3*cosx+sinx mong moi nguoi giup dpothanh nhiu[/tex]
[tex]\{sqrt}2*sin(2x+pi/4)+2=3*cosx+sinx mong moi nguoi giup dpothanh nhiu[/tex]