Find the Exact Function Value If It Exists $\frac { 1 } { 2 }$

question 6

Multiple Choice

Find the exact function value if it exists.
-sin 90°

• A)Undefined
• B)1
• C) \(\frac { 1 } { 2 }\)
• D)0

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Definitions:

Narcotics

Psychoactive substances that tend to induce sleep or numbness and may lead to dependence or addiction, commonly used for pain relief.

Serotonin

A neurotransmitter in the brain that plays a key role in stabilizing mood, feelings of well-being, and happiness, also affecting digestion, sleep, and other bodily functions.

Endorphins

Natural chemicals produced by the body that interact with the brain's receptors to reduce pain perception and induce feelings of pleasure or euphoria.

Heroin

An opioid drug made from morphine, a natural substance taken from the seed pod of various opium poppy plants, often used illicitly for its euphoric effects.