2sin(2x+pi/4)+корень из 2=0
2sin(2x+π/4)+√2=0 2sin(2x+π/4)= -√2 |:2 sin(2x+π/4)= -√2/2 2x+π/4= -π/4+πn |:(-π/4) 2x=-π/2+πn |:2 x=-π/4+πn/2