Tangent Lines and Normal Lines
![[Maple OLE 2.0 Object]](images/TanPract3.gif)
![[Maple OLE 2.0 Object]](images/TanPract11.gif)
![[Maple OLE 2.0 Object]](images/TanPract19.gif)
![[Maple OLE 2.0 Object]](images/TanPract27.gif)