Sinx + cosx = √2/2 решите это уравнение.

Sin x + cos x = √2*(sin x*1/√2 + cos x*1/√2) = √2*(sin x*cos π/4 + cos x*sin π/4) =
= √2*sin(x + π/4) = √2/2
sin(x + π/4) = 1/2
x1 + π/4 = π/6 + 2π*n; x1 = π/6 - π/4 + 2π*n = -π/12 + 2π*n
x2 + π/4 = 5π/6 + 2π*m; x2 = 5π/6 - π/4 + 2π*m = 7π/12 + 2π*m