Verify That the Equation Is an Identity $$\cos \left( \frac { 3 \pi } { 2 } - x \right) = - \sin x$$

question 263

Essay

Verify that the equation is an identity.
- $$\cos \left( \frac { 3 \pi } { 2 } - x \right) = - \sin x$$

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Definitions:

Motivation Theories

Psychological theories that aim to explain what drives individuals to initiate, direct, and persist in behaviors aimed at achieving a goal.

Employee Needs

The physical, emotional, social, and psychological requirements of employees that need to be met for them to perform their jobs effectively and remain satisfied and motivated.

Four-drive Theory

A theory positing that human behavior is driven by four fundamental needs or drives: the drive to acquire, bond, learn, and defend.

Reactive

A response or behavior that occurs as a result of external stimuli, rather than initiating action proactively.