basic trig stuff

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Author:
pokers1254
ID:
67162
Filename:
basic trig stuff
Updated:
2011-02-17 20:44:18
Tags:
calc
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Description:
calc
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  1. On a triangle sine is?
    opp/hyp
  2. On a triangle cosine is?
    adj/hyp
  3. On a triangle tangent is?
    opp/adj
  4. On a triangle secant is?
    hyp/adj
  5. On a triangle cosecant is?
    hyp/opp
  6. On a triangle cotangent is?
    adj/opp
  7. Tangent is?
    sin/cos
  8. Cotangent is?
    cos/sin
  9. secant is?
    1/cos
  10. cosecant is?
    1/sin
  11. sin2 θ + cos2 θ=
    1
  12. tan2 θ+1=
    sec2 θ
  13. 1+cot2 θ=
    csc2 θ
  14. 2sinθcosθ
    sin2θ
  15. cos2 θ-sin2 θ
    cos2θ
  16. 2cos2 θ - 1
    cos2θ
  17. 1-2sin2 θ
    cos2θ
  18. 2tanθ/(1-tan2 θ)
    tan2θ
  19. (1 + cos2θ)/2
    cos2 θ
  20. (1-cos2θ)/2
    sin2 θ

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