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a graph that represents the linear relationship between two variables.
functions of an angle that relate the size of the angle to the length of the sides of a triangle...
a function that produces the size of an angle, given one of the angle's trigonometric ratios: If...
the maximum or minimum point on a curved graph. Also called a vertex.
the limit of the average gradient as the change in x tends towards zero.
if the corresponding sides of two triangles are proportional, then the triangles are equi-...