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1 dzień temu · The exponential function is defined on the entire domain of the complex numbers.The definition of sine and cosine can be extended to all complex numbers via = = + These can be reversed to give Euler's formula = + = When plotted on the complex plane, the function for real values of traces out the unit circle in the complex plane.. When is a real number, sine and cosine ...
3 godz. temu · The history of electromagnetic theory begins with ancient measures to understand atmospheric electricity, in particular lightning. People then had little understanding of electricity, and were unable to explain the phenomena. Scientific understanding into the nature of electricity grew throughout the eighteenth and nineteenth centuries through the work of researchers such as André-Marie ...
3 godz. temu · The Sun orbits the Galactic Center at a distance of 24,000 to 28,000 light-years. From Earth, it is 1 AU (1.496 × 10 8 km) or about 8 light-minutes away. Its diameter is about 1,391,400 km (864,600 mi), 109 times that of Earth. Its mass is about 330,000 times that of Earth, making up about 99.86% of the total mass of the Solar System.
1 dzień temu · Tennessee (/ ˌ t ɛ n ɪ ˈ s iː / ⓘ TEN-iss-EE, locally / ˈ t ɛ n ɪ s i / TEN-iss-ee), officially the State of Tennessee, is a landlocked state in the Southeastern region of the United States.It borders Kentucky to the north, Virginia to the northeast, North Carolina to the east, Georgia, Alabama, and Mississippi to the south, Arkansas to the southwest, and Missouri to the northwest.
1 dzień temu · Riverside is a city in and the county seat of Riverside County, California, United States, in the Inland Empire metropolitan area. It is named for its location beside the Santa Ana River. It is the most populous city in the Inland Empire and in Riverside County, and is about 50 miles (80 km) southeast of downtown Los Angeles.It is also part of the Greater Los Angeles area.
1 dzień temu · Geneva (/ dʒ ə ˈ n iː v ə / jə-NEE-və, Arpitan: [dzəˈnɛva] ⓘ; French: Genève ⓘ) is the second-most populous city in Switzerland (after Zürich) and the most populous of the French-speaking Romandy.Situated in the southwest of the country, where the Rhône exits Lake Geneva, it is the capital of the Republic and Canton of Geneva, and a centre for international diplomacy.
