sonom

• 1. tangent lines to a circle
• 2. the relative position of two circles
• 3. the reflective property of ellipse
• 4. the reflective property of parabola
• 5. the reflective property of hyperbola
• 6. tangent at a point
• 7. tangent-chord angle
• 8. function - tangent - derivatives
• 9. radical axis-1
• 10. radical axis-2
• 11. f(x)=e^x/x
• 12. gergonne point
• 13. chords and tangents
• 14. the common tangent of two parabolas
• 15. parallel tangents of an ellipse
• 16. tangents to a circle
• 17. equal chords-1
• 18. reflective properties of conic sections
• 19. tangent-secant theorem
• 20. the mean value theorem
• 21. exeter point
• 22. tangent-chord angle-1
• 23. tangent to a circle
• 24. common external tangents
• 25. common internal tangents
• 26. common external tangents-1
• 27. common internal tangents-1
• 28. tangent and derivative