8-5 The Tangent Ratio
Vocab Review Hypotenuse Leg Leg
The Tangent Ratio <ul><li>The tangent of angle X is: </li></ul><ul><li>The opposite leg over the adjacent leg </li></ul>X ...
Example <ul><li>The tangent of angle X is: </li></ul>X Z Y 5 12 13
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 ap...
What else can we do? <ul><li>Stay on page 311 </li></ul><ul><li>So what! You say? </li></ul>
How about this? X Z Y a 14 34 ͦ
tan 24 °= ? <ul><li>0.4067 </li></ul><ul><li>0.9135 </li></ul><ul><li>0.4452 </li></ul><ul><li>0.4463 </li></ul>30 29 28 2...
tan ___ = 2.9024 <ul><li>26 ° </li></ul><ul><li>71 ° </li></ul><ul><li>45 ° </li></ul><ul><li>0.3256 </li></ul>10 30 29 28...
Solve for x. <ul><li>4.6 </li></ul><ul><li>11.8 </li></ul><ul><li>2.1 </li></ul><ul><li>0.08 </li></ul>X 5 23 ° 10 30 29 2...
SPICSA <ul><li>Page 308 2-22 even </li></ul>
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8 5 The Tangent Ratio

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8 5 The Tangent Ratio

  1. 1. 8-5 The Tangent Ratio
  2. 2. Vocab Review Hypotenuse Leg Leg
  3. 3. The Tangent Ratio <ul><li>The tangent of angle X is: </li></ul><ul><li>The opposite leg over the adjacent leg </li></ul>X Z Y
  4. 4. Example <ul><li>The tangent of angle X is: </li></ul>X Z Y 5 12 13
  5. 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. 6. What else can we do? <ul><li>Stay on page 311 </li></ul><ul><li>So what! You say? </li></ul>
  7. 7. How about this? X Z Y a 14 34 ͦ
  8. 8. tan 24 °= ? <ul><li>0.4067 </li></ul><ul><li>0.9135 </li></ul><ul><li>0.4452 </li></ul><ul><li>0.4463 </li></ul>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. 9. tan ___ = 2.9024 <ul><li>26 ° </li></ul><ul><li>71 ° </li></ul><ul><li>45 ° </li></ul><ul><li>0.3256 </li></ul>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. 10. Solve for x. <ul><li>4.6 </li></ul><ul><li>11.8 </li></ul><ul><li>2.1 </li></ul><ul><li>0.08 </li></ul>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. 11. SPICSA <ul><li>Page 308 2-22 even </li></ul>
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