Корень из3 cos x + sin x = корень из3

√3cosx + sinx = √3√3/2cosx + 1/2sinx = √3/2cosπ/6cosx + sinπ/6sinx = √3/2cos(x - π/6) = √3/2x - π/6 = ±π/6 + 2πn, n ∈ Zx = ±π/6 + π/6 + 2πn, n ∈ Z.