Question

-1+2sin4x=0 решить уравнение

Answer 1

2sin 4x = 1
sin 4x = 0,5
4x = π/6 + 2πn    и 4х = 5π/6  +2πn
x = π/24 + πn/2   и   x = 5π/24  + πn/2,  n∈Z