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a transformation in which a figure is rotated by a given angle about a point in a certain direction.
formulae for writing ratios of 90° ± a, 180° ± a and 360° ± a in...
a trigonometric rule that states that the ratio of any side of a triangle and the sin of the...
a structured method for solving a complex problem by representing it with a set of linear...
the line that best fits the data, calculated according to the least squares method of regression...