Find the Exact Value of the Expression $\cos \left[ \cos ^ { - 1 } ( - 0.9372 ) \right]$

question 287

Multiple Choice

Find the exact value of the expression. Do not use a calculator.
- $\cos \left[ \cos ^ { - 1 } ( - 0.9372 ) \right]$

• A) \(- 0.4686\)
• B) \(- 0.9372\)
• C) \(0.9372\)
• D) \(0.4686\)

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Definitions:

Medulla Oblongata

The lower portion of the brainstem, which regulates vital bodily functions such as breathing, heart rate, and blood pressure.

Prefrontal Lobe

A region at the front of the frontal lobes of the brain, associated with complex behaviors, decision making, and moderating social behavior.

Afferent Fibers

Afferent Fibers are nerve fibers that carry sensory information from the sensory receptors in the periphery of the body towards the central nervous system.

Hypothalamus

Found beneath the thalamus, it is a central area in the brain that governs both the autonomic nervous system and pituitary gland activities, thereby regulating critical homeostatic mechanisms such as body temperature, thirst, hunger, and other systems vital for bodily homeostasis.