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
Angles in Standard Position
Problem 7`
Textbook Question
Convert decimal degrees to degrees, minutes, seconds, and convert degrees, minutes, seconds to decimal degrees. If applicable, round to the nearest second or the nearest thousandth of a degree. 119° 08' 03"
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1
Step 1: Understand the problem. We need to convert the angle given in degrees, minutes, and seconds (DMS) format, 119° 08' 03", into decimal degrees.
Step 2: Recall the conversion formula. To convert from DMS to decimal degrees, use the formula: \( ext{Decimal Degrees} = ext{Degrees} + \frac{ ext{Minutes}}{60} + \frac{ ext{Seconds}}{3600} \).
Step 3: Substitute the given values into the formula. Here, Degrees = 119, Minutes = 8, and Seconds = 3.
Step 4: Calculate each component: \( \frac{8}{60} \) for minutes and \( \frac{3}{3600} \) for seconds, then add these to the degrees.
Step 5: Sum the values to get the final result in decimal degrees, rounding to the nearest thousandth if necessary.
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