In 1506 appeared his epoch-making De Rudimentis Hebraicis<span>—grammar and lexicon—mainly after Kimhi, yet not a mere copy of one man's teaching.
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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
Mercantilism perpetuated the rigid trade system between England and the colonies. Only the colonies were allowed to trade with the parent country. This restricted free trade among the colonists barring them from cutting the middleman role of the parent country. Mercantilism only furthered animosity between country and colonies, leading to eventual war.
