Find the integral using an appropriate trigonometric substitution. 
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16th Century
A period from the year 1501 to 1600, marking the height of the Renaissance and the beginning of the Age of Discovery and European colonialism.
Sculpture in the Round
A type of sculpture which is free-standing and fully three-dimensional, designed to be viewed from all sides.
Nok
A culture in ancient Nigeria known for its early production of life-sized terracotta figures, dated to between 500 BCE and 200 CE.
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