8sin2x cos2x =4 решите уравнение
Ответ
0
8sin2x * cos2x =4 | :4
2sin2x * cos2x = 1
sin4x = 1
4x = П/2 + 2Пk | :4
x = П/8 + Пk/2
2sin2x * cos2x = 1
sin4x = 1
4x = П/2 + 2Пk | :4
x = П/8 + Пk/2