Use the Figure Below to Find the Exact Value of the Given

question 34

Multiple Choice

Use the figure below to find the exact value of the given trigonometric expression.

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Definitions:

Ependymal Cells

Glial cells that line the ventricles in the brain and the central canal of the spinal cord, involved in the production and regulation of cerebrospinal fluid.

Oligodendrocytes

Glial cells in the central nervous system that produce myelin, a substance that insulates nerve fibers to increase the speed at which impulses are conducted.

CNS Cavities

Hollow spaces within the central nervous system, including ventricles in the brain, filled with cerebrospinal fluid.

Astrocytes

Astrocytes are star-shaped glial cells in the brain and spinal cord involved in providing support and nutrition to nerve cells, maintaining the blood-brain barrier, and repairing the brain and spinal cord following traumatic injuries.