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

question 465

Multiple Choice

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

• A) Identity
• B) Not an identity

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Definitions:

Talus

A bone in the ankle that connects the leg to the foot, playing a key role in foot movement.

Sacrum

A large, triangular bone at the base of the spine that is formed by the fusion of five sacral vertebrae and connects with the pelvis.

Styloid Process

A slender, pointed piece of bone that projects from the temporal bone of the skull, serving as an attachment point for muscles and ligaments.

Short Bones

Bones that are as wide as they are long, primarily found in the wrists (carpals) and ankles (tarsals), providing support and stability with little movement.