Show That the Function Is a Solution of the Wave $$w ( x , t ) = \cos ( 9 t - 9 c x ) , c \neq 1$$

question 33

True/False

Show that the function is a solution of the wave equation.
- $$w ( x , t ) = \cos ( 9 t - 9 c x ) , c \neq 1$$

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Definitions:

Cognitive Life

Refers to the mental processes and activities related to thinking, perceiving, and understanding that characterize living organisms.

Centration

A cognitive limitation in early childhood, where a child focuses on one aspect of a situation while neglecting others.

Abstract Concepts

Ideas or thoughts that do not have a physical or tangible representation, often complex and non-concrete.

Sensorimotor

A developmental stage in young children identified by Piaget, where they learn to perceive the world and control their movements through sensory and motor activity.