1. Polar Coordinates

2. Common Coordinate Systems There are two common coordinate systems: Cartesian Rectangular Coordinate SystemPolar Coordinate System

3. Polar axis Understanding Polar Coordinates 0o0o 30 o 60 o 90 o 120 o 150 o 180 o 210 o 240 o 270 o 300 o 330 o 1 radius vector=1 2 radius vector=2 radius vector=3 3 radius vector=4 4 radius vector=5 5 radius vector=6 6 Polar angle= 30 o Polar angle= 60 o Polar angle= 90 o Polar angle= 120 o Polar angle= 150 o Polar angle= 180 o Polar angle= 210 o Polar angle= 240 o Polar angle= 270 o Polar angle= 300 o Polar angle= 330 o · 0

4. 0o0o 30 o 60 o 90 o 120 o 150 o 180 o 210 o 240 o 270 o 300 o 330 o 12 3456 (3, )30 o 0

5. 0o0o 60 o 90 o 120 o 150 o 180 o 210 o 240 o 270 o 300 o 330 o 12 3456 (5, )150 o 0

6. 0o0o 30 o 60 o 90 o 120 o 150 o 180 o 210 o 240 o 270 o 300 o 330 o 12 3456 (6, ) 180 o 0

7. 0o0o 30 o 60 o 90 o 120 o 150 o 180 o 210 o 240 o 270 o 300 o 330 o 12 3456 (2, )240 o 0

8. 0o0o 30 o 60 o 90 o 120 o 150 o 180 o 210 o 240 o 270 o 300 o 330 o 12 3456 (4, )330 o 0 (4, )150 o (6, )150 o The End