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
1:04 minutes
Problem 41b
Textbook Question
Textbook QuestionIn Exercises 39–48, use a calculator to find the value of the trigonometric function to four decimal places. tan 32.7°
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Trigonometric Functions
Trigonometric functions, such as sine, cosine, and tangent, relate the angles of a triangle to the lengths of its sides. The tangent function, specifically, is defined as the ratio of the opposite side to the adjacent side in a right triangle. Understanding these functions is essential for solving problems involving angles and distances in trigonometry.
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Calculator Use for Trigonometric Functions
Using a calculator to find trigonometric function values involves inputting the angle in degrees or radians, depending on the calculator's settings. For the tangent function, you would enter the angle (in this case, 32.7°) and select the tangent function to obtain a numerical value. Familiarity with calculator functions is crucial for accurately computing trigonometric values.
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Rounding and Precision
Rounding and precision are important in mathematics, especially when reporting results. In this context, the problem specifies finding the tangent of 32.7° to four decimal places, which means the result should be rounded to four digits after the decimal point. Understanding how to round numbers correctly ensures that the final answer is both accurate and meets the required precision.
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