cos tan sen
cos = 0
x=pi/2 +kpi
cos=1
x=2kpi
cos=-1
pi +2kpi
sen=0
x =kpi
sen=1
x=pi/2 +2kpi
sen=-1
x=3pi/2 + 2kpi
tan x
x + kpi
sen x
x= x + 2kpi V x = pi - x +2kpi
cos x
x= x +2kpi V x = -x +2kpi
x=pi/2 +kpi
x=2kpi
pi +2kpi
x =kpi
x=pi/2 +2kpi
x=3pi/2 + 2kpi
x + kpi
x= x + 2kpi V x = pi - x +2kpi
x= x +2kpi V x = -x +2kpi