Law of Cosines Part 1
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Law of Cosines Part 1

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Law of Cosines Part 1 Law of Cosines Part 1 Presentation Transcript

  • Triangles in Real Life
  • Triangles in Real Life
  • Triangles in Real Life
  • Triangles in Real Life
  • Today’s Objectives
    Review right triangle trigonometry and triangle postulates
  • Today’s Objectives
    Review right triangle trigonometry and triangle postulates
    Use right triangle trigonometry to develop the law of cosines
  • Today’s Objectives
    Review right triangle trigonometry and triangle postulates
    Use right triangle trigonometry to develop the law of cosines
    Use the law of cosines to solve problems
  • Review
    A
    B
    C
  • Review
    A
    c = 10 cm
    B
    θ = ?
    C
    a = 8 cm
  • Review
    A
    c = 10 cm
    b = ?
    B
    C
    a = 8 cm
  • Go to Chat on the Main page.
    Please pause for discussion.
    A
    c = 10 cm
    b = ?
    B
    θ = ?
    C
    a = 8 cm