Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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### Understanding Amplitude in Trigonometric Graphs

#### Question:
What is the amplitude of the graph shown below?

#### Graph Explanation:
- **Axes Description**:
  - The graph is drawn on a coordinate plane with the horizontal axis labeled as \( x \) and the vertical axis labeled as \( y \).
  - The horizontal axis (x-axis) extends from \(-2\pi\) to \(2\pi\) and the vertical axis (y-axis) extends from \(-2\) to \(2\).
  - Notable points on the x-axis include \(-\pi\), \(0\), and \(\pi\).

- **Graph Description**:
  - The graph displays one complete cycle of a sinusoidal wave (sine or cosine function), starting at the origin (0,0).
  - It achieves its maximum value of \(2\) at \(x = \frac{\pi}{2}\) and minimum value of \(-2\) at \(x = \frac{3\pi}{2}\), indicating a symmetric behavior above and below the x-axis.

#### Detailed Characteristics:
- **Cycle**:
  - The wave starts from the origin, goes through its maximum at \(2\), crosses the x-axis at \(x=\pi\), reaches its minimum at \(-2\), and returns to the origin, completing one full cycle from \(x=-2\pi\) to \(x=2\pi\).
- **Amplitude**:
  - Amplitude corresponds to the maximum absolute vertical distance from the midline of the wave to its peak. For this wave, the amplitude is \(2\).
  
#### Answer Box:
- The amplitude of the graph shown is:

```
Answer: 2
```

This detailed explanation helps in understanding how to identify and calculate the amplitude from a trigonometric graph, which is a fundamental concept in trigonometry and wave analysis.
Transcribed Image Text:### Understanding Amplitude in Trigonometric Graphs #### Question: What is the amplitude of the graph shown below? #### Graph Explanation: - **Axes Description**: - The graph is drawn on a coordinate plane with the horizontal axis labeled as \( x \) and the vertical axis labeled as \( y \). - The horizontal axis (x-axis) extends from \(-2\pi\) to \(2\pi\) and the vertical axis (y-axis) extends from \(-2\) to \(2\). - Notable points on the x-axis include \(-\pi\), \(0\), and \(\pi\). - **Graph Description**: - The graph displays one complete cycle of a sinusoidal wave (sine or cosine function), starting at the origin (0,0). - It achieves its maximum value of \(2\) at \(x = \frac{\pi}{2}\) and minimum value of \(-2\) at \(x = \frac{3\pi}{2}\), indicating a symmetric behavior above and below the x-axis. #### Detailed Characteristics: - **Cycle**: - The wave starts from the origin, goes through its maximum at \(2\), crosses the x-axis at \(x=\pi\), reaches its minimum at \(-2\), and returns to the origin, completing one full cycle from \(x=-2\pi\) to \(x=2\pi\). - **Amplitude**: - Amplitude corresponds to the maximum absolute vertical distance from the midline of the wave to its peak. For this wave, the amplitude is \(2\). #### Answer Box: - The amplitude of the graph shown is: ``` Answer: 2 ``` This detailed explanation helps in understanding how to identify and calculate the amplitude from a trigonometric graph, which is a fundamental concept in trigonometry and wave analysis.
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