Prove the Identity $$\sin \left( x + \frac { \pi } { 2 } \right) = \cos x$$

question 234

Essay

Prove the identity.
- $$\sin \left( x + \frac { \pi } { 2 } \right) = \cos x$$

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Definitions:

Neuroscience

The scientific study of the nervous system, including its structure, functions, and abnormalities, to understand the biological bases of behavior and cognition.

Abnormal Brain Chemistry

Imbalances or disruptions in the neurotransmitters and chemicals in the brain, which can affect mood, behavior, and cognition.

Behavior Genetics

The study of the relative power and limits of genetic and environmental influences on behavior.

Behavioral Perspective

A theoretical approach in psychology focusing on observable behaviors and how they're learned from the environment.