trigonometry

sonom, 2014/03/25


  • 1. right triangle trigonometry-1
  • 2. right triangle trigonometry-2
  • 3. unit circle definition of trig functions
  • 4. trig values of any angle
  • 5. exploring sine curves
  • 6. the graphs of trigonometric functions
  • 7. measuring van gogh's cypress
  • 8. f(x)=atan(b(x-c))+d
  • 9. find the function (sine curves)
  • 10. find the tan(φ)
  • 11. components of a force
  • 12. a math trick-1
  • 13. a math trick-2
  • 14. area of a circle
  • 15. law of sines (proof)
  • 16. law of cosines (proof)
  • 17. law of cosines (pww)
  • 18. the three squares problem
  • 19. aristarchus' inequalities
  • 20. right triangle trigonometry
  • 21. f(x)=asin(b(x-c))+d
  • 22. f(x)=acos(b(x-c))+d
  • 23. trigonometry_unit circle
  • 24. area of a triangle (sas)
  • 25. basic trig numbers-2
  • 26. basic trig numbers-1
  • 27. f(x)=psinx+qcosx
  • 28. square-rectangle paradox

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right triangle trigonometry-1

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