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8 5 The Tangent Ratio
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8 5 The Tangent Ratio

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Transcript

  • 1. 8-5 The Tangent Ratio
  • 2. Vocab Review Hypotenuse Leg Leg
  • 3. The Tangent Ratio
    • The tangent of angle X is:
    • The opposite leg over the adjacent leg
    X Z Y
  • 4. Example
    • The tangent of angle X is:
    X Z Y 5 12 13
  • 5. What does that mean? Look at the table on page 311. Find the number closest to 0.4126 in the tangent column What is the approximate angle? X Z Y 5 12 13
  • 6. What else can we do?
    • Stay on page 311
    • So what! You say?
  • 7. How about this? X Z Y a 14 34 ͦ
  • 8. tan 24 °= ?
    • 0.4067
    • 0.9135
    • 0.4452
    • 0.4463
    30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 10
  • 9. tan ___ = 2.9024
    • 26 °
    • 71 °
    • 45 °
    • 0.3256
    10 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
  • 10. Solve for x.
    • 4.6
    • 11.8
    • 2.1
    • 0.08
    X 5 23 ° 10 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
  • 11. SPICSA
    • Page 308 2-22 even