Figures index

From

Applying the APOS Theory to Study the Student Understanding of Polar Coordinates

Vahid Borji, Michael. Gr. Voskoglou

American Journal of Educational Research. 2016, 4(16), 1149-1156 doi:10.12691/education-4-16-5
  • Figure 1. Gartesian Graph of Question 9
  • Photo 1. Atefeh’s Figure
  • Photo 2. Golshanian’s Figure
  • Figure 2. Lines of Question 6
  • Photo 3. Mohammad’s response
  • Photo 4. Gharchei’s graph before instructor’s help
  • Photo 5. Ahad’s response
  • Photo 6. Abdollahi’s Table
  • Photo 7. Mohammad’s response
  • Figure 3. Polar coordinates with r<0
  • Figure 4. Conversion of polar to Cartesian coordinates and vice versa in the first quadrant