Решите уравнение:
1-4sinxcosx=0

1 - 4sinx*cosx = 01 - 2sin(2x) = 02sin(2x) = 1sin(2x) = 1/22x = π/6 + 2πk, x = π/12 + πk2x = 5π/6 + 2πk, x = 5π/12 + πk