Sine waves and Lissajous Figures

Make/N=361/D  tx, ty
Variable/G ph=10
Variable/G pn=1
tx := sin(pn*pi*x/180)
ty := sin(pn*pi*x/180 + ph*pi/180)
display tx, ty
ModifyGraph rgb(ty)=(0,0,65535)
SetVariable setvar0 size={150,50}, font="Arial", fsize=12
SetVariable setvar0 value=ph, title="phase:"
SetVariable setvar1 size={150,50}, font="Arial", fsize=12
SetVariable setvar1 value=pn, title="n=", limits={1, 20, 1}


Make/N=361/D  tx, ty, tz
Variable/G ph=10
Variable/G pnx=1
Variable/G pny=1
tx := sin(pnx*pi*x/180)
ty := sin(pny*pi*x/180 + ph*pi/180)
display ty vs tx
ModifyGraph rgb(ty)=(0,0,65535)
SetVariable setvar0 size={150,50}, font="Arial", fsize=12
SetVariable setvar0 value=ph, title="phase:"
SetVariable setvar1 size={150,50}, font="Arial", fsize=12
SetVariable setvar1 value=pnx, title="nx=", limits={1, 20, 1}
SetVariable setvar2 size={150,50}, font="Arial", fsize=12
SetVariable setvar2 value=pny, title="ny=", limits={1, 20, 1}