Корень из3 cos x + sin x = корень из3
√3cosx + sinx = √3 √3/2cosx + 1/2sinx = √3/2 cosπ/6cosx + sinπ/6sinx = √3/2 cos(x - π/6) = √3/2 x - π/6 = ±π/6 + 2πn, n ∈ Z x = ±π/6 + π/6 + 2πn, n ∈ Z.