Use a Half-Angle Formula to Find the Exact Value Of \sin

question 41

Essay

Use a half-angle formula to find the exact value of $\sin \left( - 15 ^ { \circ } \right)$ .

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Definitions:

Heavy Drinking

The consumption of alcoholic beverages in large quantities over a short period of time, potentially leading to alcohol abuse or dependence.

Adverse Effect

An undesired, harmful effect resulting from a medication, treatment, or intervention.

Depressants

Drugs (such as alcohol, barbiturates, and opiates) that reduce neural activity and slow body functions.

Barbiturates

A group of drugs that act as central nervous system depressants, often used for their sedative, hypnotic, and anticonvulsant properties.