1+sin2X*cosX=sin2X+cosX
Sin2xCosx - Sin2x = Cosx -1 Sin2x(Cosx -1) -(Cosx -1) = 0 (Cos x -1)(Sin2x -1) = 0 Cosx -1 = 0 или Sin2x -1 = 0 Cosx = 1 Sin2x = 1 x = πk, k ∈Z 2x =π/2 + πn, n ∈Z x = π/4 + πn/2, n ∈Z