# History of trigonometry

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What exactly is Trigonometry? Where and when was it first used? How was it invented? A brief history of trigonometry and important figures who helped invent it. #history #trigonometry #hipparchus #ptolemy

The Mathematics of the Heavens and the Earth: The Early History of Trigonometry

History of trigonometry (wiki) - equation for calculating sine. Sine function defines the relationship between the opposite side and the longest side of the triangle as a ratio.

The Mathematics of the Heavens and the Earth: The Early History of Trigonometry: Glen Van Brummelen: 9780691129730: Amazon.com: Books

Trigonometry: What Is It? - YouTube

A Crinkle Crankle Wall in Bramfield, Suffolk. The crinkle crankle wall economizes on bricks, despite its sinuous configuration, because it can be made just one brick thin. If a wall this thin were to be made in a straight line, without buttresses, it would easily topple over. The alternate convex & concave curves in the wall provide stability & help it to resist lateral forces. The term is thought to come from Old English meaning zig-zag. Suffolk has twice as many as in the rest of the…

History of Trigonometry - YouTube …

Please View and Like this video to help my brother's class THANKS!!!!!!!!!!! History of Trigonometry

Hipparchus is many times refered to as the father of trigonometry. He first used his trigonometric methods for astronomy. #hipparchus #trigonometry #history

The accomplishments of Ptolemy as a mathematician, astronomer, and geographer. His table of chords is one of the earliest surviving tables of a trigonometric function. #ptolemy #mathematician #trigonometry #history #almagest