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21 godz. temu · Viète. de Moivre. Euler. Fourier. v. t. e. In trigonometry, trigonometric identities are equalities that involve trigonometric functions and are true for every value of the occurring variables for which both sides of the equality are defined. Geometrically, these are identities involving certain functions of one or more angles.
21 godz. temu · International law (also known as public international law and the law of nations) is the set of rules, norms, and standards that states and other actors feel an obligation to obey in their mutual relations and generally do obey. In internation relations, actors are simply the individuals and collective entities, such as states and international organizations, which can make behavioral choices ...
21 godz. temu · Piper Alpha was an oil platform located in the North Sea about 120 miles (190 km) north-east of Aberdeen, Scotland.It was operated by Occidental Petroleum (Caledonia) Limited (OPCAL) and began production in December 1976, initially as an oil-only platform, but later converted to add gas production.. Piper Alpha exploded and collapsed under the effect of sustained gas jet fires in the night ...
21 godz. temu · The McDonnell Douglas F/A-18 Hornet is an all-weather supersonic, twin-engine, carrier-capable, multirole combat aircraft, designed as both a fighter and attack aircraft (hence the F/A designation).Designed by McDonnell Douglas and Northrop, the F/A-18 was derived from the latter's YF-17 in the 1970s for use by the United States Navy and Marine Corps.The Hornet is also used by the air forces ...
21 godz. temu · A car, or an automobile, is a motor vehicle with wheels. Most definitions of cars state that they run primarily on roads, seat one to eight people, have four wheels, and mainly transport people over cargo. [1] [2] The French inventor Nicolas-Joseph Cugnot built the first steam-powered road vehicle in 1769, while the Swiss inventor François ...
21 godz. temu · Some areas, especially those in less developed countries, do not have formal waste-collection systems. Waste handling practices ... Incineration is a disposal method in which solid organic wastes are subjected to combustion so as to convert them into residue and gaseous products. ... Multiple factors affect which countries produce waste and at ...
