x=3 sin and y=-3 cos Part 1 of 2 (a) Eliminate the parameter and write an equation in rectangular coordinates. The equation in rectangular coordinates in standard form is Part 2 of 2 (b) Sketch the curve and Indicate its orientation. X 15

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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The text and diagrams in this image are part of a problem working with parametric equations and sketching curves.

**Problem Statement:**

Given:
\[ x = 3 \sin \theta \quad \text{and} \quad y = -3 \cos \theta \]

**Part 1 of 2:**

(a) **Task:** Eliminate the parameter and write an equation in rectangular coordinates.
   
   **Solution Placeholder:** The equation in rectangular coordinates in standard form is [ ]

**Part 2 of 2:**

(b) **Task:** Sketch the curve and indicate its orientation.

**Diagrams Explanation:**

There are four graphs depicted in a 2x2 grid, labeled as O A, O B, each representing different orientations of a circle.

1. **Graph O A (Top-Left):**
   - Shows a complete circle centered at the origin with points labeled A, B, C, D in a counterclockwise orientation.

2. **Graph O B (Top-Right):**
   - Also shows a complete circle centered at the origin similar to O A. The points A, B, C, D are marked indicating a clockwise orientation.

3. **Graph O A (Bottom-Left):**
   - Identical to the top-left graph, labeled with the same points and counterclockwise direction.

4. **Graph O B (Bottom-Right):**
   - Identical to the top-right graph, labeled with the same points and clockwise direction.

These diagrams illustrate the possible sketches of the curve derived from the given parametric equations, emphasizing the directionality or orientation as per the options A or B.

**Continue Button:** There is a “Continue” button at the bottom of the page for proceeding to the next stage of the activity.

**Note:** The solution to the parametric elimination can involve using the trigonometric identities \(\sin^2 \theta + \cos^2 \theta = 1\) to convert the parametric into a rectangular form equation for a circle.

© 2022 McGraw HillLLC. All rights reserved.
Transcribed Image Text:The text and diagrams in this image are part of a problem working with parametric equations and sketching curves. **Problem Statement:** Given: \[ x = 3 \sin \theta \quad \text{and} \quad y = -3 \cos \theta \] **Part 1 of 2:** (a) **Task:** Eliminate the parameter and write an equation in rectangular coordinates. **Solution Placeholder:** The equation in rectangular coordinates in standard form is [ ] **Part 2 of 2:** (b) **Task:** Sketch the curve and indicate its orientation. **Diagrams Explanation:** There are four graphs depicted in a 2x2 grid, labeled as O A, O B, each representing different orientations of a circle. 1. **Graph O A (Top-Left):** - Shows a complete circle centered at the origin with points labeled A, B, C, D in a counterclockwise orientation. 2. **Graph O B (Top-Right):** - Also shows a complete circle centered at the origin similar to O A. The points A, B, C, D are marked indicating a clockwise orientation. 3. **Graph O A (Bottom-Left):** - Identical to the top-left graph, labeled with the same points and counterclockwise direction. 4. **Graph O B (Bottom-Right):** - Identical to the top-right graph, labeled with the same points and clockwise direction. These diagrams illustrate the possible sketches of the curve derived from the given parametric equations, emphasizing the directionality or orientation as per the options A or B. **Continue Button:** There is a “Continue” button at the bottom of the page for proceeding to the next stage of the activity. **Note:** The solution to the parametric elimination can involve using the trigonometric identities \(\sin^2 \theta + \cos^2 \theta = 1\) to convert the parametric into a rectangular form equation for a circle. © 2022 McGraw HillLLC. All rights reserved.
Expert Solution
Step 1

Given curve in polar form is 

x=3sinθ , y=-3sinθ
we have to find the equation in rectangular coordinates and also find the graph and orientation of graph.

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