Find the Trigonometric Form of the Complex Number Shown Below $- 7 i$

question 17

Multiple Choice

Find the trigonometric form of the complex number shown below. $- 7 i$

• A) \(7 ( \cos 0 + i \sin 0 )\)
• B) \(7 ( \cos \pi + i \sin \pi )\)
• C) \(7 \left( \cos \frac { 3 \pi } { 2 } + i \sin \frac { 3 \pi } { 2 } \right)\)
• D) \(7 \left( \cos \frac { \pi } { 4 } + i \sin \frac { \pi } { 4 } \right)\)
• E) \(7 \left( \cos \frac { \pi } { 2 } + i \sin \frac { \pi } { 2 } \right)\)

Recognize the importance of environmental factors and community infrastructure in disease prevention.

Understand the historical development of public health initiatives and their impact on community health.

Analyze the role of government and non-governmental organizations in the advancement of public health.

Identify key figures and their contributions to public health and nursing.

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Definitions:

Behavior Modification

The use of empirical and operant conditioning techniques to change or adjust unhealthy or undesirable behaviors.

Criticism

The practice of analyzing, judging, and/or evaluating something, often with the intention of revealing faults or areas of improvement.

Expectancy Theory

A motivational theory suggesting that individuals are motivated to perform if they believe that their efforts will lead to desired performance and reward.

Victor Vroom

A psychologist recognized for formulating the expectancy theory of motivation, which suggests that individual motivation to perform is influenced by expectations of reward and achievable outcomes.