# Instructional Videos for Precalculus

The videos below were created to support students at Cambridge Rindge and Latin School in their learning of content in our Precalculus course. The topic and the link to a video covering that content are below.

 Lesson # Topic 1 Domain, Range, Symmetry 2 Continuity and Asymptotes 3 Transformations 4 Composite Functions 5 Inverse of a Function 6 Linear Modeling 7 Introduction to Polynomials 8 Understanding the Zeros of a Polynomial 9 Dividing Polynomials: Long Division 10 Dividing Polynomials: Synthetic Division 11 Arithmetic with Complex Numbers 12 Solve Rational Equations 13 Partial Fractions 14 Understand Conic Sections 15 Standard Conic Equations and Applications 16 What is e? (non-Calculus) 17 Review of Exponents 18 Review of Logarithms 19 Properties of Logistic Functions 20 Solve Equations with Exponents and Logarithms 21 Modeling Using Exponential and Logarithm Functions 22 Origin of the Six Basic Trig Functions 23 SOHCAHTOA 24 Trigonometric Table and Radians 25 Solve for Side Lengths in Right Triangles 26 Find Trigonometric Values for Non-Acute Angles 27 Use Inverse Trigonometric Functions to Find Angles 28 Sinusoidals 29 Basic Trigonometric Identities 30 Sum and Difference Rules 31 Law of Sines 32 Law of Cosines 33 Introduction to matrices 34 Basic arithmetic with matrices 35 Matrix Multiplication 36 Matrix determinants 37 Identify and inverse matrices 38 Solving systems of equations using matrices 39 Vectors 40 Introduction to polar graphing