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Trigonometry in use. ... Especially astronomy was very tightly connected with trigonometry, and the first presentation of trigonometry as a science independent of astronomy is credited to the

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Hipparchus (190 BC-120 BC) ... Hipparchus of Rhodes ... Full MacTutor biograph

I procured a book from my late teacher, for the study of spherical trigonometry and the stereographic projection of the sphere, but the chief delight which I experienced was derived from the study...

Al-Tusi (1201 - 1274), philosopher, mathematician, Astronome and theologist (regarded as one of the founders of trigonometry),

Al-Battani was among the founders of trigonometry and who endeavours to extend its scope(59).

Even if he did not invent it, Hipparchus is the first person whose systematic use of trigonometry we have documentary evidence.

Even though algebraic concepts were invented after the time of Euclid and Ptolemy, the major founders of geometry and trigonometry, respectively, we can now use algebra to derive the same formulas...

Founder of trigonometry and fixed the geographical position of places by latitude and longitude ... President Obama errs Thomas Mifflin not ; ... Unauthorized Site: This site and its contents are not affiliated,