Hipparchus is known as the father of Trigonometry.
Here are some quick facts about Hipparchus:
|Birth||c. 190 BC|
|Death||c. 120 BC|
|Occupation||Astronomer, Mathematician, Geographer|
|Birth Place||Nicaea (now Iznik, Turkey)|
|Books||On Sizes and Distances, The geographical fragments of Hipparchus|
Hipparchus — Father of Trigonometry
Hipparchus was born in Nicaea (now Iznik, Turkey). He was a Greek astronomer who developed trigonometry and determined the precession of the equinoxes.
He is considered to be the father of trigonometry because he developed the basic principles of what we now know as trigonometry, including an accurate way of calculating sines and cosines by measuring angles with a device called a “diopter.”
He also discovered that stars do not move uniformly across the sky, but change their positions over time (the motion Hipparchus observed is now known as precession).
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