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Section 2
Section 2

... Fact: The techniques for proving the Primes 3 (Mod 4) Theorem does not work for the Primes 1 (Mod 4) Theorem. Example 3: Demonstrate a numerical example why the techniques for proving the Primes 3 (Mod 4) Theorem does not work for the Primes 1 (Mod 4) Theorem. Solution: ...
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Section 5-3 Angles and Their Measure

... of calculators. Check your owner’s manual for your particular calculator. The conversion methods outlined in Example 1 show you the reasoning behind the process, and are sometimes easier to use than the “automatic” methods for some calculators. Degree measure of angles is used extensively in enginee ...
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History of trigonometry

Early study of triangles can be traced to the 2nd millennium BC, in Egyptian mathematics (Rhind Mathematical Papyrus) and Babylonian mathematics.Systematic study of trigonometric functions began in Hellenistic mathematics, reaching India as part of Hellenistic astronomy. In Indian astronomy, the study of trigonometric functions flowered in the Gupta period, especially due to Aryabhata (6th century CE). During the Middle Ages, the study of trigonometry continued in Islamic mathematics, hence it was adopted as a separate subject in the Latin West beginning in the Renaissance with Regiomontanus.The development of modern trigonometry shifted during the western Age of Enlightenment, beginning with 17th-century mathematics (Isaac Newton and James Stirling) and reaching its modern form with Leonhard Euler (1748).
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