Решите уравнение: 1-4sinxcosx=0
1 - 4sinx*cosx = 0 1 - 2sin(2x) = 0 2sin(2x) = 1 sin(2x) = 1/2 2x = π/6 + 2πk, x = π/12 + πk 2x = 5π/6 + 2πk, x = 5π/12 + πk