Multiple choice

Who is the founder of trigonometry?

  1. Hipparchus

  2. Cayley

  3. Fermat

  4. Leibniz
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A Correct answer
Explanation

Hipparchus (2nd century BCE), a Greek astronomer and mathematician, is considered the founder of trigonometry. He developed the first trigonometric table (chord table) and systematically used trigonometry in astronomical calculations, laying foundations later expanded by Ptolemy.

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