 4-1 |
Construct this pretty flower: |
 4-2 |
Construct the line segments joining (cos(t),0) with (0,sin(t))
as t ranges over [0,2p]. |
| 4-3 |
Construct the velocity vector field along a constant motion
around a circle. |
| 4-4 |
Construct this figure: 
|
| 4-5 |
Construct the line segments joining [cos(t),sin(t)] with
[cos(2t),sin(2t)] as t ranges over [0,2p]. |
| 4-6 |
Construct this figure: 
|
| 4-7 |
Construct this graph associated with the logistic equation x
' = ax(1-x)
 with a=3.7 |
| 4-8 |
Draw 20 concentric circles as thus: |
| 4-9 |
Construct the circles with center at (cos(t),sin(t)) passing
through the point (1,0) with t ranging over [0,2p]. |
| 4-10 |
Construct the circles with center at (cos(t),sin(t)) and
tangent to the y-axis with t ranging over [0,2p]. |
| 4-11 |
Construct the circles with center at (cos(t),sin(t)) and and
passing through (2cos(t)/3+cos(2t)/3,2sin(t)/3+sin(2t)/3) with t ranging over [0,2p]. |
| 4-12 |
Construct this figure: 
|
| 4-13 |
Construct this pattern: 
|
| 4-14 |
Construct the reflections of a light ray inside a square: |