1
xmin=-20
xmax=10
y=1
y=cos(x)
y=tan(2*x)
2
xmin=-5
xmax=5
y=sin(x*pOne)
y=sin(2*x*pOne)
y=sin(3*x*pOne)
y=sin(4*x*pOne)
3
xmin=-5
xmax=5
y=(x/(2*3.14))*pOne
y=(x/(2*3.14))*log(pTwo)/0.434
y=-x/((2*3.14)*pThree)