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the general increase in prices, linked to a decrease in the purchasing value of money.
cosecant, secant and cotangent are the three reciprocal functions of sine, cosine and tangent,...
a sequence with a constant difference between consecutive terms has a linear general term, which...
the highest or lowest point on a parabola, depending on whether the graph is ∩-shaped or ∪-...
is a set that describes the union of two or more subsets, all the overlapping numbers are listed...