There is a subtle difference between Arctan and arctan
Arctan(x) is an inverse function such that the range is only the principla value
meanwhile, arctan(x) takes on infinitely many values
hope this helps
<span>Mediterranean theater.
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<span>Allied and Axis forces engaged in back and forth fighting across North Africa. Italian Mussolini engaged also in series of battles in the middle eastern countries like Greece and overrun the countries when the axis were strongly involved. The battle ended when Romel-led forces were forced to surrender by allied forces led by Eisenhower.</span>
During this era, human technology boomed. In this era, nomads have started farming. Nomads have stopped moving from one place to another. They have started forging metal tools. They also started pastoralism. They have communities and tribe. They were able to create a system on their own.
The mass media is sometimes referred to as the "fourth branch of the government" since it has a significant influence on the legislative, judicial, and executive branches of the government. The mass media's responsibility of keeping the people informed is a great and essential contribution to a democratic government.
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Tyche, in Greek religion, the goddess of chance, with whom the Roman Fortuna was later identified; a capricious dispenser of good and ill fortune. The Greek poet Hesiod called her the daughter of the Titan Oceanus and his consort Tethys; other writers attributed her fatherhood to Zeus, the supreme god.
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