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
1. Measuring Angles
Radians
Problem 33
Textbook Question
Textbook QuestionConvert each radian measure to degrees. See Examples 2(a) and 2(b). 11π/6
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Radian Measure
Radian measure is a way of measuring angles based on the radius of a circle. One radian is the angle formed when the arc length is equal to the radius of the circle. This unit is essential in trigonometry as it relates directly to the properties of circles and periodic functions.
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Degree Measure
Degree measure is another unit for measuring angles, where a full circle is divided into 360 equal parts. Each degree can be further divided into minutes and seconds. Understanding the conversion between radians and degrees is crucial for solving problems in trigonometry, especially when working with trigonometric functions.
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Conversion Formula
To convert radians to degrees, the formula used is: degrees = radians × (180/π). This formula allows for the straightforward transformation of angle measures, facilitating the use of trigonometric functions that may require angles in degrees rather than radians.
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