14) y = -2 + sin |x + 2

Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE: 1. Give the measures of the complement and the supplement of an angle measuring 35°.
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**Equation:**

14) \( y = -2 + \sin\left(x + \frac{\pi}{2}\right) \)

**Graph Description:**

The graph provided is a coordinate plane with labeled axes. The x-axis and y-axis are centered and marked with evenly spaced intervals. The graph is meant to represent the function \( y = -2 + \sin\left(x + \frac{\pi}{2}\right) \).

**Graph Explanation:**

- **Function Details:**
  - The function is a transformation of the standard sine wave.
  - The term \(\frac{\pi}{2}\) inside the sine function represents a phase shift to the left by \(\frac{\pi}{2}\) units.
  - The \(-2\) indicates a vertical shift downward by 2 units.

- **Axes:**
  - The x-axis is labeled and marked with equal intervals to represent the independent variable, \(x\).
  - The y-axis is labeled and marked with equal intervals to represent the dependent variable, \(y\).

- **Expected Function Behavior:**
  - The sine curve has been phase-shifted to the left and vertically shifted downwards.
  - The amplitude remains the same as the standard sine function, which is 1.

This graph is useful for visualizing the effects of phase and vertical shifts on trigonometric functions.
Transcribed Image Text:**Equation:** 14) \( y = -2 + \sin\left(x + \frac{\pi}{2}\right) \) **Graph Description:** The graph provided is a coordinate plane with labeled axes. The x-axis and y-axis are centered and marked with evenly spaced intervals. The graph is meant to represent the function \( y = -2 + \sin\left(x + \frac{\pi}{2}\right) \). **Graph Explanation:** - **Function Details:** - The function is a transformation of the standard sine wave. - The term \(\frac{\pi}{2}\) inside the sine function represents a phase shift to the left by \(\frac{\pi}{2}\) units. - The \(-2\) indicates a vertical shift downward by 2 units. - **Axes:** - The x-axis is labeled and marked with equal intervals to represent the independent variable, \(x\). - The y-axis is labeled and marked with equal intervals to represent the dependent variable, \(y\). - **Expected Function Behavior:** - The sine curve has been phase-shifted to the left and vertically shifted downwards. - The amplitude remains the same as the standard sine function, which is 1. This graph is useful for visualizing the effects of phase and vertical shifts on trigonometric functions.
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