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

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

Calculus

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

Business Calculus

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

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

My Courses

College Courses

Professional Courses

Chemistry

Biology

Math

Social Sciences

Health Sciences

Business

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

Copilot for Product Managers

Copilot for Human Resources Specialists

Copilot for Executive and Administrative Assistants

Copilot for Marketing Specialists

Copilot for Project Managers

Copilot for Sales Representatives and Account Managers

Copilot for Data Analysts

Copilot for Financial Analysts

Enhance Your Productivity with AI

Generative AI for Agile & Scrum Teams

Generative AI Toolbox

ChatGPT Prompt Engineering Essentials

Generative AI for Marketing Professionals (Video Course)

Copilot with Microsoft Excel: Achieve More with Your AI Assistant (Video)

AI-Enhanced Project Management

AI for Managers

Microsoft Copilot for Marketing Specialists

Microsoft Copilot for Data Analysts

Product & Marketing

Programming

AI Fluency

<div><span style='color:#020917;'>Get 50% OFF your first month and ace this semester !</span><span style='margin-left:16px; color:#020917; font-weight:400;'>Use Promo Code GET50 to unlock your exclusive deal!</span></div>

<span>Limited time offer ⏳:50% off your first month of Channels. Use code <span style='color:#F5FFBA;'>EXAMPREP50</span>.</span>&nbsp;&nbsp;<a target='_blank' href='https://www.pearson.com/en-us/pearsonplus/campaigns/bookstore-terms-and-conditions.html'>Term & Conditions</a>

<span>NOT USED Limited time offer ⏳:50% off your first month of Channels. Use code <span style='color:#F5FFBA;'>EXAMPREP50</span>.</span>&nbsp;&nbsp;<a target='_blank' href='https://www.pearson.com/en-us/pearsonplus/campaigns/bookstore-terms-and-conditions.html'>Term & Conditions</a>

<div><span> Get ready to ace this semester with Channels exam prep feature! Enter code <span style='color:#F5FFBA;'>DISCOUNT20</span> at checkout and get 20% off.</span>&nbsp;&nbsp;<a href='/channels/subscription?CEP=Braze_banner_DISCOUNT20_march2024'>Buy Now BOOM></a></div>

<span>Limited time offer! Get 20% off your initial Channels subscription by using code DISCOUNT20 at checkout.</span>

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

Introduction to Trigonometric Identities

Sum and Difference Identities

Double Angle Identities

Solving Trigonometric Equations Using Identities

Law of Sines

Law of Cosines

Geometric Vectors

Direction of a Vector

Unit Vectors and i & j Notation

Dot Product

Polar Coordinate System

Trigonometry Final - Part 1 of 2

Rewrite the given trigonometric expression using either a sum or difference identity for cosine.cos(9π/16)cos(5π/16) + sin(9π/16)sin(5π/16)

Rewrite the given trigonometric expression using either a sum or difference identity for cosine.
cos(9π/16)cos(5π/16) + sin(9π/16)sin(5π/16)