Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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Pre cal
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![The equation shown is:
\[ \tan(x) = \sin(x) \]
This equation represents a trigonometric relationship where the tangent of \( x \) is equal to the sine of \( x \). To solve this equation or to analyze it further, one might consider using trigonometric identities or graphing these functions to find their points of intersection.
### Key Concepts:
1. **Tangent Function (\( \tan(x) \))**:
- Defined as \(\frac{\sin(x)}{\cos(x)}\).
- Periodic with a period of \(\pi\).
2. **Sine Function (\( \sin(x) \))**:
- Periodic with a period of \(2\pi\).
- Oscillates between \(-1\) and \(1\).
### Solving the Equation:
To find solutions, consider where both functions might intersect within their respective periodic intervals. Solutions can be found using analytical methods or graphing:
- **Graphical Approach**: Plot \(\tan(x)\) and \(\sin(x)\) on the same graph to find intersection points.
- **Analytical Approach**: Set \(\frac{\sin(x)}{\cos(x)} = \sin(x)\) and solve for \(x\), considering the restrictions where \(\cos(x) \neq 0\).
These methods highlight how trigonometric equations can be analyzed using both graphical intuition and algebraic manipulation.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F63d16113-ff39-4f92-89f8-61ce82bfb495%2F155e96b1-ea4f-4579-bc85-54f440a16f0e%2Fm70b7yq_processed.jpeg&w=3840&q=75)
Transcribed Image Text:The equation shown is:
\[ \tan(x) = \sin(x) \]
This equation represents a trigonometric relationship where the tangent of \( x \) is equal to the sine of \( x \). To solve this equation or to analyze it further, one might consider using trigonometric identities or graphing these functions to find their points of intersection.
### Key Concepts:
1. **Tangent Function (\( \tan(x) \))**:
- Defined as \(\frac{\sin(x)}{\cos(x)}\).
- Periodic with a period of \(\pi\).
2. **Sine Function (\( \sin(x) \))**:
- Periodic with a period of \(2\pi\).
- Oscillates between \(-1\) and \(1\).
### Solving the Equation:
To find solutions, consider where both functions might intersect within their respective periodic intervals. Solutions can be found using analytical methods or graphing:
- **Graphical Approach**: Plot \(\tan(x)\) and \(\sin(x)\) on the same graph to find intersection points.
- **Analytical Approach**: Set \(\frac{\sin(x)}{\cos(x)} = \sin(x)\) and solve for \(x\), considering the restrictions where \(\cos(x) \neq 0\).
These methods highlight how trigonometric equations can be analyzed using both graphical intuition and algebraic manipulation.
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