A acied May 2010 9 0 May 27, 2010 #1 plot3d ??!! plz help 1) r = Cos[3 t] 2) PolarPlot[Cos[3 t], {t, 0, Pi}, ImageSize -> Small] 3) x^2+y^2=z 4) x= Cos[3t]Cos[t] 5) y=Cos[3t]Sin[t] set x and y in (3) >>> 6) (Cos[3t]Cos[t])^2+(Cos[3t]Sin[t])^2 =z how to draw (6) in Plot3d??? Last edited: May 27, 2010

plot3d ??!! plz help 1) r = Cos[3 t] 2) PolarPlot[Cos[3 t], {t, 0, Pi}, ImageSize -> Small] 3) x^2+y^2=z 4) x= Cos[3t]Cos[t] 5) y=Cos[3t]Sin[t] set x and y in (3) >>> 6) (Cos[3t]Cos[t])^2+(Cos[3t]Sin[t])^2 =z how to draw (6) in Plot3d???