1)2sin0,25x+sinπ/2=2sin0,25x=1
T=2π/k
k=0,25
T=2π:0,25=8π
2)2cos(x/7-π/4)+cos90-2=2cos(x/7)-0+2=2cos(x/7-π/4)+2
T=2π/k
k=1/7
T=2π:1/7=14π
3)tg0,125x+4
T=π/k
k=0,125
T=π:0,125=8π
4)ctg(0,5x+π/4)+6sin180=ctg(0,5x+π/4)+6*0=ctg(0,5x+π/4)
T=π/k
k=0,5
T=π:0,5=2π