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6.5.2 half angle formulas

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6.5.2 half angle formulas 6.5.2 half angle formulas Presentation Transcript

  • Use Half-Angle Formulas to find Exact Values
    6.5 Half-Angle Formulas
  • Sine Half-Angle Formula
    Determined by
    The location of
    half the angle
  • Find the exact value
    Given
    Find
  • Find the exact value
    Given
    Find
  • Cosine Half-Angle Formula
    Determined by
    The location of
    half the angle
  • Find the exact value
    Given
    Find
  • Find the exact value
    Given
    Find
  • Use half-angle formula to find the exact value
  • Tangent Half-Angle
    Determined by
    The location of
    half the angle
  • Additional formulas
  • Use half-angle formula to find the exact value
  • Assignment
    p. 491 # 7 - 11 odd (c,d), 19 - 23 odd, 48