3·2Sin x Cos x -3 Cos x +2Sin x -1 =0 6 Sin xCos x - 3Cos x +2Sin x -1=0 3Cos x(2Sin x - 1) +(2Sin x -1) = 0 (2Sin x -1)( 3Cos x +1) = 0 2Sin x -1 = 0 или 3Cos x +1 = 0 2Sin x = 1 3Cos x = -1 Sin x = 1/2 Cos x = -1/3 x = (-1)^narcSin1/2 + nπ, n∈Z x = +- arcCos(-1/3) + 2πk , k ∈Z x = (-1)^n π/6 + nπ, n∈Z
6 Sin xCos x - 3Cos x +2Sin x -1=0
3Cos x(2Sin x - 1) +(2Sin x -1) = 0
(2Sin x -1)( 3Cos x +1) = 0
2Sin x -1 = 0 или 3Cos x +1 = 0
2Sin x = 1 3Cos x = -1
Sin x = 1/2 Cos x = -1/3
x = (-1)^narcSin1/2 + nπ, n∈Z x = +- arcCos(-1/3) + 2πk , k ∈Z
x = (-1)^n π/6 + nπ, n∈Z