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
Answer: In the spring of 1859, John Brown rented a farmhouse, known as the Kennedy Farmhouse, just outside of Harpers Ferry. He gave a false name to the neighbors, who would have recognized him as the violent abolitionist from out west. ... They knew that to raid Harpers Ferry was to approach a certain death.
Explanation:
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<span>B.They often showed alphabets, numbers, poems, sayings, names, and birth dates.
C. They had borders with pictures of houses, birds, flowers, or trees.</span>
It helped people understand their surroundings to let them know which places were dangerous and which ones wernt
Securities Exchange Commission (SEC) created to Regulate the stock market
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Explanation:</u></h3>
Securities and Exchange Commission was created to regulate the stock market of the USA. It stands as a watchdog which surveys over security transactions to stop fraud and deception. The main motto of the SEC is said to be the prevention of deceptive and manipulative fraudulent practices of the stock market and also the monitoring of the takeover of corporate companies in the financial market.
Generally, the issue of securities to investors happens over the internet or in the mail. SEC checks whether the firm selling such securities are registered with SEC or not. Registration with SEC ensures that the firm issuing such securities are not engaged in any fraudulent activities.
