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Special Angle Values

This interactive lesson presents key values of sine, cosine, and tangent for special angles in trigonometry. As slides display each trigonometric function at specific angles, you are encouraged to verbalize the values aloud before the system responds. This immersive approach helps reinforce your understanding of fundamental trigonometric identities. Special angles covered include 0°, 30°, 45°, 60°, 90°, 120°, 135°, 150°, 180°, 210°, 225°, 240°, 270°, 300°, 315°, 330°.

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Special Angle Values

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  1. Special Angle Values

  2. Directions • A slide will appear showing a trig function with a special angle. • Say the value aloud before the computer can answer (3 sec.).

  3. sin 0º=

  4. cos 0º=

  5. tan 0º=

  6. sin 30º=

  7. cos 30º=

  8. tan 30º=

  9. sin 45º=

  10. cos 45º=

  11. tan 45º=

  12. sin 60º=

  13. cos 60º=

  14. tan 60º=

  15. sin 90º=

  16. cos 90º=

  17. tan 90º=

  18. sin 120º=

  19. cos 120º=

  20. tan 120º=

  21. sin 135º=

  22. cos135 º=

  23. tan 135º=

  24. sin 150º=

  25. cos 150º=

  26. tan 150º=

  27. sin 180º=

  28. cos 180º=

  29. tan 180º=

  30. sin 210º=

  31. cos 210º=

  32. tan 210º=

  33. sin 225º=

  34. cos 225º=

  35. tan 225º=

  36. sin 240º=

  37. cos 240º=

  38. tan 240º=

  39. sin270º=

  40. cos 270º=

  41. tan 270º=

  42. sin 300º=

  43. cos 300º=

  44. tan 300º=

  45. sin 315º=

  46. cos 315º=

  47. tan 315º=

  48. sin 330º=

  49. cos 330º=

  50. tan 330º=

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