IB DP Maths: AI HL复习笔记3.7.1 Introduction to Vectors
Scalars & Vectors What are scalars? Scalars are quantities without direction They have only a size (magnitude) For example: speed, distance, time, mass Most scalar quantities can never be negat...
IB DP Maths: AI HL复习笔记3.6.2 Determinant of a Transformation Matrix
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...
IB DP Maths: AI HL复习笔记3.6.1 Matrix Transformations
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...
IB DP Maths: AI HL复习笔记3.5.2 Toxic Waste Dump Problem
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...
IB DP Maths: AI HL复习笔记3.5.1 Voronoi Diagrams
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...
IB DP Maths: AI HL复习笔记3.4.3 Solving Trigonometric Equations
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 ...
IB DP Maths: AI HL复习笔记3.4.2 Simple Identities
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 ...
IB DP Maths: AI HL复习笔记3.4.1 The Unit Circle
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...
IB DP Maths: AI HL复习笔记3.3.3 Applications of Trigonometry & Pythagoras
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...
