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 38
Textbook Question
Textbook QuestionConvert each radian measure to degrees. See Examples 2(a) and 2(b). 11π/15
Verified Solution
This video solution was recommended by our tutors as helpful for the problem above
Video duration:
0m:0sPlay a video:
Was this helpful?
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. It is a fundamental unit in trigonometry, where angles can be expressed in radians instead of degrees, facilitating calculations in calculus and physics.
Recommended video:
5:04
Converting between Degrees & Radians
Degree Measure
Degree measure is another unit for measuring angles, where a full circle is divided into 360 equal parts, known as degrees. Each degree can be further divided into minutes and seconds. Converting between radians and degrees is essential in trigonometry, as many functions and applications require angles to be in a specific unit.
Recommended video:
5:04
Converting between Degrees & Radians
Conversion Formula
The conversion between radians and degrees can be achieved using the formula: degrees = radians × (180/π). This formula allows for the straightforward transformation of angle measures, making it easier to work with different contexts in trigonometry, such as solving triangles or analyzing periodic functions.
Recommended video:
6:36
Quadratic Formula
Watch next
Master Converting between Degrees & Radians with a bite sized video explanation from Patrick Ford
Start learningRelated Videos
Related Practice