2Sin x Cos x +√2 Sin x - 2 Cos x - √2 = 0 Sin x(2Cos x + √2) - ( 2Cos x +√2) = 0 (2Cos x + √2)(Sin x -1) = 0 2Cos x +√2 = 0 или Sin x -1 = 0 2Cos x = -√2 Sin x = 1 Cos x = -√2/2 x = π/2 + 2πn, n∈Z x = +-arcCos (-√2/2) + 2πк, к∈Z x = +- 3π/4 +2πk , k∈Z
Sin x(2Cos x + √2) - ( 2Cos x +√2) = 0
(2Cos x + √2)(Sin x -1) = 0
2Cos x +√2 = 0 или Sin x -1 = 0
2Cos x = -√2 Sin x = 1
Cos x = -√2/2 x = π/2 + 2πn, n∈Z
x = +-arcCos (-√2/2) + 2πк, к∈Z
x = +- 3π/4 +2πk , k∈Z