sinx-cosx=sin2x-1/2
срочно надо

sin(x)-cos(x)-2sin(x)*cos(x)+(1/2)=02sin(x)((1/2)*cos(x))-cos(x)+1/2=0(2sin(x)+1)*(-cos(x)+1/2)=0Ответ: +-π/3 +2пк,-5п/6  +2пк,-п/6 +2пк,к∈Z