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t5

  1. sin 0
    0
  2. cos 0
    1
  3. tan 0
    0
  4. sin π/6
    1/2
  5. sin π/4
    √2/2
  6. sin π/3
    √3/2
  7. sin π/2
    1
  8. cos 0
    1
  9. cos π/6
    √3/2
  10. cos π/4
    √2/2
  11. cos π/3
    1/2
  12. cos π/2
    0
  13. tan 0
    0
  14. tan π/6
    √3/3
  15. tan π/4
    1
  16. tan π/3
    √3
  17. tan π/2
    Undefined
  18. sin θ
    1/csc θ
  19. cos θ
    1/sec θ
  20. tan θ
    1/cot θ
  21. tan θ
    sin θ/cos θ
  22. cot θ
    cos θ/sin θ
  23. cos^2 θ + sin^2 θ
    1
  24. 1 + tan^2 θ
    sec^2 θ
  25. cot^2 θ + 1
    csc^2 θ
  26. sin (α ± β)
    sin α cos β ± cos α sin β
  27. cos (α ± β)
    cos α cos β ∓ sin α sin β
  28. tan (α ± β)
    tan α ± tan β / 1- tan α tan β
  29. sin 2θ
    2 sin θ cos θ
  30. cos 2θ
    cos^2 θ - sin^2 θ
  31. tan 2θ
    2 tan θ / 1 - tan^2 θ
  32. sin α sin β
    1/2 [ cos (α - β) - cos (α + β) ]
  33. cos α cos β
    1/2 [ cos (α - β) + cos (α + β) ]
  34. sin α cos β
    1/2 [ sin (α + β) + sin (α - β) ]
  35. cos α sin β
    1/2 [ sin (α + β) - sin (α - β) ]
  36. sin α + sin β
    2 sin ( α + β / 2 ) cos ( α - β / 2 )
  37. sin α - sin β
    2 cos ( α + β / 2 ) sin ( α - β / 2 )
  38. cos α + cos β
    2 cos ( α + β / 2 ) cos ( α - β / 2 )
  39. cos α - cos β
    -2 sin ( α + β / 2 ) sin ( α - β / 2 )
Author
Anonymous
ID
81839
Card Set
t5
Description
Trig Special Values and Identities
Updated

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