Table of contents
- 0. Review of College Algebra4h 43m
- 1. Measuring Angles39m
- 2. Trigonometric Functions on Right Triangles2h 5m
- 3. Unit Circle1h 19m
- 4. Graphing Trigonometric Functions1h 19m
- 5. Inverse Trigonometric Functions and Basic Trigonometric Equations1h 41m
- 6. Trigonometric Identities and More Equations2h 34m
- 7. Non-Right Triangles1h 38m
- 8. Vectors2h 25m
- 9. Polar Equations2h 5m
- 10. Parametric Equations1h 6m
- 11. Graphing Complex Numbers1h 7m
2. Trigonometric Functions on Right Triangles
Trigonometric Functions on Right Triangles
0:49 minutes
Problem 5a
Textbook Question
Textbook QuestionCONCEPT PREVIEW Match the measure of bearing in Column I with the appropriate graph in Column II. I. II. 1. A. B. C. 2. 3. 4. D. E. F. 5. N 70° W 6. 7. G. H. 8. 9. 10. I. J.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Bearing
Bearing is a way of expressing direction in navigation and surveying. It is measured in degrees from the north direction, moving clockwise. For example, a bearing of N 70° W indicates a direction that is 70 degrees west of true north. Understanding how to interpret and convert bearings is essential for accurately matching them to graphical representations.
Graphical Representation of Bearings
Graphical representations of bearings typically involve a compass rose or coordinate system where directions are plotted. Each direction corresponds to a specific angle measured from the north. Familiarity with how to read and interpret these graphs is crucial for visualizing the bearings and matching them correctly to their respective graphical representations.
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Quadrants in Navigation
In navigation, the plane is divided into four quadrants based on cardinal directions: North, East, South, and West. Bearings are often expressed in terms of these quadrants, which helps in determining the correct angle and direction. Understanding how to navigate through these quadrants is vital for accurately interpreting and matching bearings to their graphical counterparts.
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