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a consistent change found in data when a trend repeats itself in a regular way.
used to measure the direction in which one item or location lies in relation to another.
the notation (standardised set of rules and symbols) that allows us to describe functions.
a mathematical expression or equation using one or more of the symbols <, >, ≤, or ≥.
is a trigonometric rule used to calculate the length of a side or the size of an angle in a non...