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6.5.2 half angle formulas

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Transcript

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