Determinant of a Transformation Matrix What is a determinant? the determinant is det A = ad - bc What does the determinant of a transformation matrix (A) represent? The absolute value of the determ...
Transformation by a Matrix What is a transformation matrix? A transformation matrix is used to determine the coordinates of an image from the transformation of an object Commonly used transformatio...
Toxic Waste Dump Problem What is the toxic waste dump problem? The toxic waste dump problem is the name given to the general idea of finding the point on a Voronoi diagram which is furthest from an...
Drawing Voronoi Diagrams What are Voronoi Diagrams? A Voronoi diagram shows the region containing the set of all points which are closer to one given site than to any other site on the diagram A si...
Graphs of Trigonometric Functions What are the graphs of trigonometric functions? The trigonometric functions sin, cos and tan all have special periodic graphs You’ll need to know their properties ...
Simple Identities What is a trigonometric identity? They are used to help simplify trigonometric equations before solving them Sometimes you may see identities written with the symbol ≡ This means ...
Defining Sin, Cos and Tan What is the unit circle? The unit circle is a circle with radius 1 and centre (0, 0) Angles are always measured from the positive x-axis and turn: anticlockwise for positi...
Bearings What are bearings? Bearings are a way of describing and using directions as angles They are specifically defined for use in navigation because they give a precise location and/or direction...
Sine Rule What is the sine rule? The sine rule allows us to find missing side lengths or angles in non-right-angled triangles It states that for any triangle with angles A, B and C Where a is the s...
