In Changing from Cartesian to Polar Coordinates $\frac { \partial r } { \partial x }$

question 6

Multiple Choice

In changing from Cartesian to polar coordinates, $\frac { \partial r } { \partial x }$ is

• A) \(\sin \theta\)
• B) \(\cos \theta\)
• C) \(\sin \theta / r\)
• D) \(\cos \theta / r\)
• E) \(- \sin \theta / r\)

---

Definitions:

Control

The power to influence or regulate people, events, or processes.

Critical Thinking

The process of actively and skillfully conceptualizing, analyzing, synthesizing, and evaluating information to reach an informed conclusion.

Open Mind

A willingness to consider new ideas and perspectives without prejudice.

Ethical Guideline

Standards that outline the principles and rules of conduct for research or professional practice, ensuring the protection and respect of all participants and stakeholders.