Evaluate Cosh(cosh ^{- 1}15)

question 137

Short Answer

Evaluate cosh(cosh ^{- 1}15).

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Definitions:

Sutton Hoo

An archaeological site in England known for the discovery of a ship burial, which has been pivotal in understanding the Anglo-Saxon kingdom of East Anglia.

Carolingian Manuscripts

Medieval manuscripts produced during the Carolingian Renaissance, known for their revival of classical Latin and improvements to minuscule script.

Barbarian Invaders

Groups or tribes that invaded the territories of the Roman Empire during its decline, contributing to its fall.

Visigoths

A Germanic tribe that played a significant role in the fall of the Western Roman Empire and established a kingdom in what is now Spain and Portugal.