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1. geometric constructions_1 watch it here 2. congruent triangles watch it here 3. vectors_a no word introduction watch it here 4. Garfield's proof for pythagorean theorem watch it here 5. another proof for pythagorean theorem watch it here 6. right triangle trigonometry watch it here 7. trigonometry_2 watch it here 8. convex quadrilaterals watch it here 9. areas watch it here 10. angles in a circle watch it here 11. unit circle definition of trig functions watch it here 12. trigonometric graphs watch it here | |
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13. functions derivatives and tangents watch it here 14. the golden ratio and aphrodite's φ watch it here 15. reflections watch it here 16. approximating pi watch it here 17. a function... watch it here 18. a triangle... watch it here 19. the reflection properties of conic sections watch it here 20. constructing a parabola watch it here 21. constructing an ellipse watch it here 22. constructing a hyperbola watch it here 23. the exponential and the logarithmic functions watch it here |
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some webspace for the greek math teacher dimitris poimenidis |
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