Theresa Montenarello, 18/1/2017

• 1. Pythagorean Trigonometric Identity (1)
• 2. Trig ID Movie (II)
• 3. Trig ID Movie (III)
• 4. Sine and Cosecant Functions (Special Property)
• 5. Sine Identity
• 6. Cosine and Secant Functions (Special Property)
• 7. Cosine Identity
• 8. Tangent and Cotangent Functions (Special Property)
• 9. Tangent Identity
• 10. Trig Identities from Similar Right Triangles (I)
• 11. Trig Identities from Similar Right Triangles (II)
• 12. Sine & Cosine of a Sum: Discovery
• 13. Tangent of a Sum: Discovery
• 14. Bizzare Trig Identity?
• 15. 3 Squares Problem
• 16. A Very Unusual Trig Identity
• 17. Law of Sines (& Area)
• 18. Law of Cosines: Discovery
• 19. What "CO" in COsine Means
• 20. 1 Radian: Clear Definition
• 21. Movie: Radians to Revs
• 22. Identifying Sides of Right Triangles
• 23. Right Triangle Trigonometry: Intro
• 24. Trigonometric Ratios (Right Triangle Context)
• 25. Trig Function Values (30 Degrees)
• 26. Trig Function Values (45 Degrees)
• 27. Trig Function Values (60 Degrees)
• 28. How Fast are You Spinning?
• 29. Regular Polygons: Perimeter & Area
• 30. SOH-CAH-TOA's Failure (II)
• 31. The 3 Main Trigonometric Ratios
• 32. True Meanings of the 3 Trigonometric Ratios within a Right Triangle Context
• 33. 30-60-90 Triangle
• 34. What Makes a Function Even?
• 35. Odd Functions (Another Look)
• 36. Graphing Sine & Cosine Functions (II)
• 37. Exponential Functions: Graphs
• 38. Logarithmic Functions: Graphs
• 39. Exponential Functions (Graph & Equation Anatomy)
• 40. Logarithmic Functions (Graph & Equation Anatomy)
• 41. Half-Life Function
• 42. Animation 159
• 43. Inverse Relations: Graphs