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

question 48

Essay

Use a half-angle formula to find the exact value of $\sin \frac { \pi } { 8 }$ .

---

Definitions:

Productive Investments

Investments channeled towards the enhancement of production capabilities, technological advancements, or efficiency improvements in an economy.

British Pound

The currency of the United Kingdom, known officially as the pound sterling, and recognized by its symbol £.

Exports

Goods or services produced in one country and sold to buyers in another, contributing to a country's economic growth and balance of trade.

Imports

Goods and services bought by a country from another country.