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

Ex: Solve a Trigonometric Equation Using a Sum to Product Identity

Solving Equation with Exponential and Trigonometric Functions

Solve a Basic Trig Equation Using the Unit Circle and Reference Triangles

Solving Trigonometric Equations

How to solve a trigonometric equation

Simplifying Trigonometric Expressions Using Identities, Example 1

Using Double Angle Identities to Solve Equations, Example 1

Solve a Trig Equation in Quadratic Form Using the Quadratic Formula (Cosine, 2 Solutions)

Pre-Calculus - Find All of the Solutions of an Equation Using the Double Angle Formulas

Solving Trigonometric Equations Using the Quadratic Formula - Example 1

How To Solve Trigonometric Equations With Multiple Angles - Trigonometry

Solve Trigonometric Equation by Factoring, Example 1

Solving trig equations with a calculator

Solving simple trig equations

Solve Trigonometric Equations Quadratic in Form

Trigonometric Equations

Solving Quadratic Trig Equations

Solving trigonometric equation by using reciprocal function

Solving a trigonometric equation by factoring

Solving Trigonometric Equations III

Solving Word Problems Involving Trigonometric Equations, Example 1

Solving Trigonometric Equations Using the Quadratic Formula - Example 3

Solving Trigonometric Equations with Period Changes

Solving Trigonometric Equations - How to Write General Solution

Solve Trigonometric Equations Using Calculator 2

Solve a Trig Equation with Rounded Radian Solutions -  Angle Substitution with Pi

Solving trigonometric equations with multiple angles

Solving a Trigonometric Equation by Factoring, Example 2

Solving Trigonometric Equation, Harder Example - Example 1

Solving Trigonometric Equation, Harder Example - Example 3

Solving a Trigonometric Equation by Factoring, Example 3

Solving a Basic Trigonometric Equation, Example 3

How to solve logarithmic and Trigonometric equation

Solving Trigonometric Equation, Harder Example - Example 2

Pre Calculus Logarithms with Trigonometric Functions

Factoring Method for Solving Trig. Equations w/ Multiple Functions

Solving Trigonometric Equations Using the Quadratic Formula - Example 2

Solving Word Problems Involving Trigonometric Equations, Example 2

Solving a Basic Trigonometric Equation, Example 1

Solving a Trig Equation: cos(3x)=-1

Solve a Factorable Trig Equation with Exact and Rounded Radian Solutions

Using Double Angle Identities to Solve Equations, Example 3

Solving a Basic Trigonometric Equation, Example 2

Ex: Solve a Factorable Trig Equation Using Radians - Exact Solutions

Solving Trig Equations Using Identities

Solving Trigonometric Equations Part 1

Solve Trigonometric Equations Part 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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The Organic Chemistry Tutor

Eric Robinson

Anil Kumar

Brandon Grasley

patrickJMT

Mathispower4u

Mario's Math Tutoring

Karla Reynolds

Pamela Puckett

AlRichards314

Brian McLogan

Math And Physics Tutor

Tambuwal Maths Class

Math Help Center

MrsDobbsMath

NicholasJMV

Robert Hohn

Formula for the cosine and the difference of two angles

Sum and Difference Formulas for Cosines and Sines

Sum and Difference Formulas for Tangents

Sum and Difference Formulas

Product-to-Sum Formulas

Sum-to-Product Formulas

Product-to-Sum and Sum-to-Product Formulas

Find All Solutions of a Trigonometric Equation

Solve Equations with Multiple Angles

Factoring to Separate Different Functions in Trigonometric Equations

Identities to Solve Trigonometric Equations

Calculator to Solve Trigonometric Equations

Solve equations with trigonometric and exponential or logarithmic functions

Fundamental Trigonometric Identities to Verify Identities

Expressions containing both logarithmic and trigonometric functions

Verifying Trigonometric Identities

Double-Angle Formulas

Power-Reducing Formulas

Use the Half-Angle Formulas

Double-Angle, Power-Reducing, and Half-Angle Formulas

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

Biochemistry

Macroeconomics

My Channels

College Channels

Skills Channels

Professional Channels

Chemistry

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Math

Business

Social Sciences

Michelle Barry Franco

Building Great Presentations

Eric Zackrison, PhD

Critical Thinking And Problem Solving

Sam Bennett

Embracing Times Of Uncertainty

Nicole Tetreault, PhD

Emotional Intelligence Basics

Eugene Choi, PharmD

Enhancing Your Critical Thinking Skills

Jason Richardson, PsyD

Habits To Win Every Day

Alyssa Lowery, PhD

Having Powerful Advanced Conversations

Don Gilman, EdD

How To Influence & Persuade

Amy Matthews

Leadership Skills For Rising Stars

Listening To Lead

Michael Shermer, PhD

Making Decisions Under Uncertainty

Lynne Hurdle

Mistakes To Avoid When Resolving Conflict

Michael Veltri

Overcoming Decision Making Traps

Mike Vardy

Prioritizing Effectively

Secrets Of Effective Prioritization

Strategies To Build Up Your Creativity

Tools For Decision Making

Tutti Taygerly

Unleash And Advance Your Creativity

Winning Collaboration: How To Work More Effectively With Different Personalities