Web2 sin^2 x = 1 - cos 2x. Using the table of chords with the geometry and formulae above, Ptolemy was able to solve all the triangles he needed to create his table of chords in steps of half degrees from \frac {1} {2} \circ to 180 ^\circ which is equivalent to a table of sines from \frac {1} {4} ^\circ to 90 ^\circ. 6. WebJul 3, 2024 · Eratosthenes of Cyrene (c. 276 BCE–192 or 194 BCE) was an ancient Greek mathematician, poet, and astronomer who is known as the father of geography.Eratosthenes was the first person to use the word "geography" and other geographical terms that are still in use today, and his efforts to calculate the circumference of the Earth and the distance …
Ptolemy
WebPtolemy has a prominent place in the history of mathematics primarily because of the mathematical methods he applied to astronomical problems. His contributions to trigonometry are especially important. For instance, Ptolemy’s table of the lengths of … Ptolemy’s fame as a geographer is hardly less than his fame as an astronomer. … history of science, the development of science over time. On the simplest level, … Encyclopædia Britannica, Inc. In the Almagest Ptolemy lays out his argument … WebMar 24, 2024 · Ptolemy is known for his three scholarly works: the Almagest— which focused on astronomy and geometry, the Tetrabiblos— which focused on astrology, and, … dr asher dermatologist flowood ms
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WebHypatia, the daughter of the great mathematician and philosopher, Theon of Alexandria, was born in 350 AD. She was the only child of her parents and there is no information about … WebHypatia, the daughter of the great mathematician and philosopher, Theon of Alexandria, was born in 350 AD. She was the only child of her parents and there is no information about her mother. She was a philosopher, mathematician, and astronomer who lived in Alexandria. She was trained under the guidance of her father and became head of the ... WebAnaxagoras Contribution in Mathematics. Loaded 0%. Anaxagoras was born in Clazomenae on the coast of Ionia, which is now Turkey, near about 500 BC. He lived there for many years where he learnt new facts of philosophy and to do a scientific study of the world. He belonged to a very rich family, but he gave up all his wealth and went to Athens ... drasher family fire