General Chemistry

Jules

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

Physics

Patrick

General Biology

Jason

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

Callie

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

Precalculus

Nick

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Calculus

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Business Calculus

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Statistics

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

Business Statistics

Biochemistry

Macroeconomics

Dive deep into Personal Health & Wellness with videos, practice problems, and more.

Personal Health & Wellness

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

Nutrition

Dive deep into Medical Terminology with videos, practice problems, and more.

Medical Terminology

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

Sociology

Hannah

Dive deep into Beginning Algebra with videos, practice problems, and more.

Beginning Algebra

Dive deep into Intermediate Algebra with videos, practice problems, and more.

Intermediate Algebra

Dive deep into Beginning & Intermediate Algebra with videos, practice problems, and more.

Beginning & Intermediate Algebra

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Chemistry

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Dive deep into Python with videos and more.

Introduction to Python

Arianne Dee

Agile Project and Product Management

Agile & Product Management

Mariya Breyther

Introduction to Microsoft Power BI

Microsoft Power BI

Chris Sorensen

Data Analysis Fundamentals with Excel

Data Analysis - Excel

Chris Sorensen & Ammul Shergill

Getting Started with and Cryptocurrency

Introduction to Blockchain

George Levy

Learn Enough HTML, CSS and Layout to be Dangerous

HTML, CSS & Layout

Lee Donahoe & Michael Hartl

Learn Enough JavaScript to be Dangerous: A Tutorial Introduction to Programming with JavaScript

Introduction to JavaScript

Michael Hartl

R Programming

Jared P. Lander

Digital Marketing Analytics Beyond Advertising

Digital Marketing

Mike Moran

Project Management

Jeffrey K. Pinto

AI in Marketing

AI for Business

AI-Enabled Programming, Networking, and Cybersecurity: Introduction

Professional course with videos and more.

How LLMs Understand & Generate Human Language

Jumpstart your AI Career

Copilot for Customer Service Specialists

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Copilot for Executive and Administrative Assistants

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Copilot for Sales Representatives and Account Managers

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Enhance Your Productivity with AI

Generative AI for Agile & Scrum Teams

Generative AI Toolbox

ChatGPT Prompt Engineering Essentials

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AI-Enhanced Project Management

AI for Managers

Microsoft Copilot for Marketing Specialists

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Product & Marketing

Programming

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Principles of Accounting

Managerial Accounting

Cyber Security Operations

Algebra and Trigonometry

Quantitative Reasoning

Liberal Arts Math

Angles, identities, and trig functions giving you trouble? Trigonometry is explained step-by-step so solving problems feels more approachable.

Patrick Ford

Callie Rethman

Nick Kaneko

0. Review of College Algebra

1. Measuring Angles

2. Trigonometric Functions on Right Triangles

3. Unit Circle

4. Graphing Trigonometric Functions

5. Inverse Trigonometric Functions and Basic Trigonometric Equations

6. Trigonometric Identities and More Equations

7. Non-Right Triangles

8. Vectors

9. Polar Equations

10. Parametric Equations

11. Graphing Complex Numbers

OLD 1. Angles and the Trigonometric Functions

OLD 2. Trigonometric Functions graphs, Inverse Trigonometric Functions

OLD 3. Trigonometric Identities and Equations 

OLD 4. Laws of Sines, Cosines and Vectors

OLD 5. Complex Numbers, Polar Coordinates and Parametric Equations

NEW (not used) 7. Laws of Sines, Cosines and Vectors

NEW (not used) 8. Vectors

NEW(not used) 9. Polar equations

NEW (not used) 11. Graphing Complex Numbers

Default TOC

Rationalizing Denominators

Pythagorean Theorem & Basics of Triangles

Basics of Graphing

Functions

Transformations

Solving Linear Equations

Solving Quadratic Equations

Complex Numbers

Angles in Standard Position

Coterminal Angles

Complementary and Supplementary Angles

Radians

Trigonometry Midterm - Part 1 of 2

Find the measure of the indicated angles.