1. Fundamental Concepts of Algebra

2. Functions and Graphs

3. Polynomial and Rational Functions

4. Exponential and Logarithmic Functions

5. Trigonometric Functions

6. Analytic Trigonometry

7. Additional Topics in Trigonometry

8. Systems of Equations and Inequalities

9. Matrices and Determinants

10. Conic Sections and Analytic Geometry

11. Sequences, Induction, and Probability

12. Introduction to Calculus

Modelling Periodic Behaviour

Graphing a Sine Function

Trigonometry - Graphing transformations of sin and cos

Graphing Sine and Cosine with Phase (Horizontal) Shifts, Example 2

Vertical Displacement in Sine & Cosine Functions

Amplitude and Period of Sine and Cosine

Graphing a Trig Function with Cosine

Use Periodic Functions to Model Real-Life Behavior (Sine)

Graphing Trigonometric Functions: y = 2sin(x-pi/6)

Graphing Trigonometric Functions - Graph Transformations

Graphing a Cosine Function

How do you find the amplitude of the sine and cosine graph

What are the critical points of a sine and cosine graph

The Graph of the Function f(x) =sin(x)

How to Graph the Cosine Graph with Multiple Transformations

Graphing Sine and Cosine Functions

Graphing a Sine Function 2

Graphing Sine and Cosine with Phase (Horizontal) Shifts, Example 1

How do you graph y=sinx and y=cosx?

Finding the Period and Amplitude of a Cosine Function

Graphing the sin(x)

How to evaluate tangent, cotangent, secant and cosecant functions

Graph y=cosx 

Modelling Periodic Behavior

How to Graph the Sine Function by Applying a Phase Shift and Vertical Translation

The Graph of Cosine, y = cos (x)

Model Periodic Behavior

Graphs of Sine and Cosine Functions

Modeling Periodic Behavior with Sinusoids

Finding the Period and Amplitude of a Sine Function

Trigonometric Functions and Graphing: Amplitude, Period, Vertical and Horizontal Shifts, Ex 2

Graphing with Phase shift and Vertical shift

Graph of y=cosx

Graphing Sin and Cos

Horizontal and Vertical Translations of Sine Cosine

Graphing a Sine Function by Finding the Amplitude and Period

Zeros of a Sine Function: 1/4 sin((1/2)x)

Graphing Sine and Cosine With Different Coefficients (Amplitude and Period), Ex 1

Learn the toughest concepts covered in Precalculus with step-by-step video tutorials and practice problems by world-class tutors 

Precalculus

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Justin Backeberg

the AllAroundMathGuy

Mathispower4u

 Eric Stansbury

Mario's Math Tutoring

MySecretMathTutor

Brian McLogan

Carolee Pederson

Study Force

The Math Sorcerer

 turksvids

Diane R Koenig

eMath

MathAfterMath

MooMooMath and Science

patrickJMT

Solve a Right Triangle

Solve Problems Involving Bearings

Model Simple Harmonic Motion

Inverse cotangent, cosecant, and secant functions

Applications of Trigonometric Functions

Use the Definitions of Trigonometric Functions of Any Angle

Use the Signs of the Trigonometric Functions

Find Reference Angles

Use Reference Angles to Evaluate Trigonometric Functions

Trigonometric Functions of Any Angle

Recognize and Use the Vocabulary of Angles

Use Degree Measure

Use Radian Measure

Convert Between Degrees and Radians

Draw Angles in Standard Position

Find Coterminal Angles

Find the Length of a Circular Arc

Use Linear and Angular Speed to Describe Motion on a Circular Path

Angles and Radian Measure

Understand and Use the Inverse Sine Function

Understand and Use the Inverse Cosine Function

Understand and Use the Inverse Tangent Function

Use a Calculator to Evaluate Inverse Trigonometric Functions

Find Exact Values of Composite Functions with Inverse Trigonometric Functions

Inverse Trigonometric Functions

Use a Unit Circle to Define Trigonometric Functions of Real Numbers

Recognize the Domain and Range of Sine and Cosine Functions

Find the Exact Values of the Trigonometric Functions at &pi; / 4

Use Even and Odd Trigonometric Functions

Recognize and Use Fundamental Identities

Use Periodic Properties

Evaluate Trigonometric Functions With a Calculator

Trigonometric Functions: The Unit Circle

Use Right Triangles to Evaluate Trigonometric Functions

Find Function Values for 30&deg;(&pi; / 6), 45&deg;(&pi; / 4), and 60&deg;(&pi; / 3)

Use Equal Cofunctions of Complements

Use Right Triangle Trigonometry to Solve Applied Problems

Right Triangle Trigonometry

Understand the Graph of y = tan x

Graph Variations of y = tan x

Understand the Graph of y = cot x

Graph Variations of y = cot x

Understand the Graphs of y = csc x and y = sec x

Graph Variations of y = csc x and y = sec x

Graphs of Other Trigonometric Functions

Understand the Graph of y = sin x

Graph Variations of y = sin x

Understand the Graph of y = cos x

Graph Variations of y = cos x

Use Vertical Shifts of Sine and Cosine Curves

General Chemistry

Jules

Classification of Matter (1)

Classification of Matter (2)

Classification of Matter - Example

Study the key concepts of Physics with descriptive videos, questions, and more

Physics

Patrick

Introduction to Units & the SI System

Metric Prefixes

Scientific Notation

General Biology

Jason

Introduction to Biology

Unicellular vs. Multicellular

Characteristics of Life

Financial Accounting

Brian

Dive deep into Psychology with videos, practice problems, and more.

Psychology

Microeconomics

The first in a two-course sequence introduces the basic structure and functions of the human body

Anatomy & Physiology

Bruce

College Algebra covers algebraic topics and skills necessary to succeed in college-level math

College Algebra

Organic Chemistry

Johnny

Genetics

Kylia

GOB Chemistry

Dive deep into General, Organic, and Biological Chemistry with videos, practice problems, and more.

Intro to Chemistry

Microbiology

Cell Biology

Analytical Chemistry

Study topics incliding trogonometric functions, identities and equations, solutions of triangles, complex numbers, and other topics as time permits

Trigonometry

Learn the toughest concepts covered in Precalculus with step-by-step video tutorials and practice problems by world-class tutors