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# Precalculus Website by Kiryl Tsishchanka

 Sections Precalculus Handouts Supplementary Problems Section 1.1 Section 1.2 Section 1.3 Section 1.4 Section 1.5 Section 1.6 Section 1.7 Section 1.8 Coordinate Geometry Section 1.10 Section 2.1 What Is a Function? Problems Section 2.2 Graphs of Functions Problems Section 2.3 Getting Information from the Graph of a Function Problems Section 2.4 Average Rate of Change Section 2.5 Transformations of Functions Problems Section 2.6 Combining Functions Problems Section 2.7 One-to-One Functions and Their Inverses Problems Section 3.1 Quadratic Functions and Models Problems Section 3.2 Polynomial Functions and Their Graphs Problems Section 3.3 Dividing Polynomials Problems Section 3.4 Zeros of Polynomials Problems Section 3.7 Rational Functions Problems Section 4.1 Exponential Functions Problems Section 4.2 The Natural Exponential Function Problems Section 4.3 Logarithmic Functions Problems Section 4.4 Laws of Logarithms Problems Section 4.5 Exponential and Logarithmic Equations Problems Section 4.6 Modeling with Exponential and Logarithmic Functions Problems Section 5.1 The Unit Circle Problems Problems Section 5.2 Trigonometric Functions of Real Numbers Section 5.3 Trigonometric Graphs Problems Section 5.4 More Trigonometric Graphs Problems Section 5.5 Inverse Trigonometric Functions and Their Graphs Problems Section 6.1 Angle Measure Problems Section 6.2 Trigonometry of Right Triangles Problems Section 6.3 Trigonometric Functions of Angles Section 6.4 Inverse Trigonometric Functions and Right Triangles Section 6.5 The Law of Sines Section 6.6 The Law of Cosines Section 7.1 Trigonometric Identities Problems Section 7.2 Addition and Subtraction Formulas Problems Section 7.3 Double-Angle, Half-Angle, and Sum-Product Identities Section 7.4 Trigonometric Equations Problems Section 7.5 More Trigonometric Equations Section 8.1 Polar Coordinates Section 8.2 Graphs of Polar Equations Section 8.4 Plane Curves and Parametric Equations Section 9.1 Vectors in Two Dimensions Section 9.2 The Dot Product Section 9.3 Three-Dimensional Coordinate Geometry Section 9.4 Vectors in Three Dimensions Section 9.5 The Cross Product Section 9.6 Equations of Lines and Planes Section 10.1 Systems of Linear Equations in Two Variables Section 10.2 Systems of Linear Equations in Several Variables