Table of Contents

Unit Six Solving Equations and Inequalities
 61 Solving a SecondOrder Equation in One Variable
 62 Sum and Product of the Two Roots of a SecondOrder Equation
 63 Forming a SecondOrder Equation Given Its Two Roots
 64 Union and Intersection of Intervals
 65 FirstOrder Inequalities in One Variable
 66 A SecondOrder Inequality in One Variable
 67 Absolute Value
 68 Solving a System of FirstOrder Inequalities in One Variable
 69 A FirstOrder Inequality in Two Variables
 610 Solving a System of FirstOrder Inequalities in Two Variables

Unit Seven Trigonometry
 71 Directed Angle
 72 Units for Measuring Angles
 73 Trigonometric Ratios
 74 Relations between Trigonometric Ratios
 75 Using Calculator in Trigonometry
 76 Solving a Right Triangle

77 Applications on Solving a Right Triangle

Unit Eight Coordinate Geometry and Transformations
 81 Revision
 82 Slope of a Line
 83 Equation of a Straight Line
 84 Distance from a Given Point to a Given Line
 85 Reflection
 86 Translation

Unit Nine Vectors
 91 Vectors
 92 Representing Operations on Vectors Geometrically
 93 Parallelism and Perpendicularity of Two Vectors
 94 Unit Vector
 95 Dot Product of Two Vectors

Unit Ten Symbol (E), Its Meaning and Properties
 101 Symbol (E), Its Meaning and Properties
 102 Central Tendency Measures
 103 Diffraction Measures