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Trig Ratios

  1. sin2θ + cos2θ
    1
  2. 1 + cot2θ
    cosec2θ
  3. cot2θ
    cosec2θ - 1
  4. cosec2θ - cot2θ
    1
  5. cos(A-B)
    cosAcosB + sinAsinB
  6. cos(A+B)
    cosAcosB - sinAsinB
  7. sin(A+B)
    sinAcosB + cosAsinB
  8. sin(A-B)
    sinAcosB - cosAsinB
  9. tan(A+B)
    • tanA + tanB
    • 1 - tanAtanB
  10. tan(A-B)
    • tanA - tanB
    • 1 + tanAtanB
  11. cos(2A) - (I)
    cos2A - sin2A
  12. cos(2A)
    2cos2A - 1
Author
Anonymous
ID
91955
Card Set
Trig Ratios
Description
Trig Identities and Exact solutions
Updated

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