Question

f(x)=ctg8x f(x)=sin0.25x f(x)=cosx/6 f(x)=cos 2.5x найти минимальный период

Answer 1

1)T=π/8
2)T=2π/0,25=8π
3)T=2π:1/6=12π
4)T=2π/2,5=0,8π