Which Is the Correct Value Of $\cos ^{-1}(0.4)$ (Express the Answer in Radians to the Nearest Hundredth

question 5

Multiple Choice

Which is the correct value of $\cos ^{-1}(0.4)$ (Express the answer in radians to the nearest hundredth.)

• A) 1.00
• B) 1.09
• C) 1.53
• D) 87.71
• E) 1.16

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Definitions:

Cortisol

A steroid hormone in the body, often released in response to stress and used as a marker for stress levels.

Corticotropin-Releasing Hormone

A hormone involved in the stress response, stimulating the pituitary gland to release adrenocorticotropic hormone, which then promotes the production of cortisol by the adrenal glands.

Adrenocorticotropic-Releasing Hormone

A hormone produced in the hypothalamus that stimulates the release of cortisol from the adrenal gland, playing a key role in the body's response to stress.

Epinephrine

Also known as adrenaline, it's a hormone and neurotransmitter involved in the "fight or flight" response.