sum and difference identities

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  1. sin(U + V)
    sinUcosV + cosUsinV
  2. sin(U - V)
    sinUcosV-cosUsinV
  3. cos(U + V)
    cosUcosV-sinUsinV
  4. cos(U - V)
    cosUcosV+sinUsinV
  5. tan(U + V)
    • TanU+tanV
    • --------------
    • 1-tanUtanV
  6. tan(U - V)
    • tanU+tanV
    • -------------
    • 1+tanUtanV
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265979
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sum and difference identities
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sum and difference identities
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