Decide Whether the Expression Is or Is Not an Identity $$\sqrt { \sin ^ { 2 } x + \cos ^ { 2 } x } = 1$$

question 421

Multiple Choice

Decide whether the expression is or is not an identity.
- $$\sqrt { \sin ^ { 2 } x + \cos ^ { 2 } x } = 1$$

• A) Not an identity
• B) Identity

---

Definitions:

Apraxia

A motor disorder caused by damage to the brain, in which individuals have difficulty with the motor planning to perform tasks or movements when asked, despite understanding the request and having the desire to perform the task.

Visual Association Area

A region of the brain involved in processing visual information, integrating color, form, and motion into coherent perceptions.

Wernicke Area

A region of the brain important for language comprehension, located in the temporal lobe.

Broca Area

A region in the frontal lobe of the brain associated with speech production, language processing, and language comprehension.