Ответ:
k= 0,1,2,3,4,5,6,7,8,9,10
Пошаговое объяснение:
tg11x=tgx
α - β=πk
11x-x = πk
10x =πk
x= πk / 10
Промежуток : [0;π]
k = 0 => x=0
k=1 => x=π/10
k=2 => x= π/5
k=3 => x= 3π/10
k=4 => x= 2π/5
k=5 => x= π/2
k=6 => x= 3π/5
k=7 => x= 7π/10
k=8 => x= 4π/5
k=9 => x= 9π/10
k=10 => x= π