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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 ...
6 godz. temu · The Sun is the star at the center of the Solar System.It is a massive, nearly perfect sphere of hot plasma, heated to incandescence by nuclear fusion reactions in its core, radiating the energy from its surface mainly as visible light and infrared radiation with 10% at ultraviolet energies. It is by far the most important source of energy for life on Earth. ...
1 dzień temu · Hurricane Katrina. Hurricane Katrina was a devastating and deadly Category 5 Atlantic hurricane that caused 1,392 fatalities and damages estimated at $186.3 billion (2022 USD) in late August 2005, particularly in the city of New Orleans and its surrounding area. [1] Katrina was the twelfth tropical cyclone, the fifth hurricane, and the third ...
1 dzień temu · High Speed 2 (HS2) is a high-speed railway which is under construction in England.The route will be between Handsacre, in southern Staffordshire, and London, with a spur to Birmingham.HS2 is to be Britain's second purpose-built high-speed railway after High Speed 1, which connects London to the Channel Tunnel.The majority of the project is planned to be completed between 2029 and 2033.
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.
