What scientific field did Hipparchus found?
Biology
Geology
Trigonometry
Chemistry
Answer
Trigonometry is a branch of mathematics that deals with the relationships between the sides and angles of triangles. The field was founded by the Greek astronomer Hipparchus in the second century BC. Hipparchus was a brilliant mathematician and astronomer, and his work in trigonometry laid the foundation for much of the subsequent development of the field.
The Legacy of Hipparchus: Exploring the Cosmic Genius
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