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
5. Inverse Trigonometric Functions and Basic Trigonometric Equations
Inverse Sine, Cosine, & Tangent
Problem 6.29a
Textbook Question
Textbook QuestionSolve each equation for exact solutions.
6 sin⁻¹ x = 5π
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Inverse Trigonometric Functions
Inverse trigonometric functions, such as sin⁻¹ (arcsin), are used to find the angle whose sine is a given value. In this context, solving the equation involves understanding how to manipulate these functions to isolate the variable x. The output of sin⁻¹ x is an angle, typically expressed in radians, which is crucial for further calculations.
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Solving Trigonometric Equations
Solving trigonometric equations requires applying algebraic techniques and understanding the periodic nature of trigonometric functions. In this case, the equation involves isolating x and determining the corresponding angles that satisfy the equation. Recognizing the periodicity of the sine function is essential for finding all possible solutions.
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Radian Measure
Radian measure is a way of measuring angles based on the radius of a circle. In this problem, the equation includes 5π, which is expressed in radians. Understanding how to convert between degrees and radians, as well as how to interpret angles in the context of the unit circle, is vital for accurately solving the equation and finding exact solutions.
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