Contents
Guide
Page List
Copyright 2020 by McGraw-Hill Education. All rights reserved. Except as permitted under the United States Copyright Act of 1976, no part of this publication may be reproduced or distributed in any form or by any means, or stored in a database or retrieval system, without the prior written permission of the publisher. ISBN: 978-1-26-045989-0
MHID: 1-26-045989-6 The material in this eBook also appears in the print version of this title: ISBN: 978-1-26-045988-3, MHID: 1-26-045988-8. eBook conversion by codeMantra
Version 1.0 All trademarks are trademarks of their respective owners. Rather than put a trademark symbol after every occurrence of a trademarked name, we use names in an editorial fashion only, and to the benefit of the trademark owner, with no intention of infringement of the trademark.
Where such designations appear in this book, they have been printed with initial caps. McGraw-Hill Education eBooks are available at special quantity discounts to use as premiums and sales promotions or for use in corporate training programs. To contact a representative, please visit the Contact Us page at www.mhprofessional.com. TERMS OF USE This is a copyrighted work and McGraw-Hill Education and its licensors reserve all rights in and to the work. Use of this work is subject to these terms. Except as permitted under the Copyright Act of 1976 and the right to store and retrieve one copy of the work, you may not decompile, disassemble, reverse engineer, reproduce, modify, create derivative works based upon, transmit, distribute, disseminate, sell, publish or sublicense the work or any part of it without McGraw-Hill Educations prior consent.
You may use the work for your own noncommercial and personal use; any other use of the work is strictly prohibited. Your right to use the work may be terminated if you fail to comply with these terms. THE WORK IS PROVIDED AS IS. McGRAW-HILL EDUCATION AND ITS LICENSORS MAKE NO GUARANTEES OR WARRANTIES AS TO THE ACCURACY, ADEQUACY OR COMPLETENESS OF OR RESULTS TO BE OBTAINED FROM USING THE WORK, INCLUDING ANY INFORMATION THAT CAN BE ACCESSED THROUGH THE WORK VIA HYPERLINK OR OTHERWISE, AND EXPRESSLY DISCLAIM ANY WARRANTY, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. McGraw-Hill Education and its licensors do not warrant or guarantee that the functions contained in the work will meet your requirements or that its operation will be uninterrupted or error free. Neither McGraw-Hill Education nor its licensors shall be liable to you or anyone else for any inaccuracy, error or omission, regardless of cause, in the work or for any damages resulting therefrom.
McGraw-Hill Education has no responsibility for the content of any information accessed through the work. Under no circumstances shall McGraw-Hill Education and/or its licensors be liable for any indirect, incidental, special, punitive, consequential or similar damages that result from the use of or inability to use the work, even if any of them has been advised of the possibility of such damages. This limitation of liability shall apply to any claim or cause whatsoever whether such claim or cause arises in contract, tort or otherwise.
Introduction
W elcome to your new trigonometry book! Let us try to explain why we believe youve made the right choice. This probably isnt your first rodeo with either a textbook or other kind of guide to a school subject. Youve probably had your fill of books asking you to memorize lots of terms (such as in school).
This book isnt going to do thatalthough youre welcome to memorize anything you take an interest in. You may also have found that a lot of books jump the gun and make a lot of promises about all the things youll be able to accomplish by the time you reach the end of a given chapter. In the process, those books can make you feel as though you missed out on the building blocks that you actually need to master those goals. With Must Know High School Trigonometry, weve taken a different approach. When you start a new chapter, right off the bat you will immediately see one or more must know ideas. These are the essential concepts behind what you are going to study, and they will form the foundation of what you will learn throughout the chapter.
With these must know ideas, you will have what you need to hold it together as you study, and they will be your guide as you make your way through each chapter. To build on this foundation, you will find easy-to-follow discussions of the topic at hand, accompanied by comprehensive examples that show you how to apply what youre learning to solving typical trigonometry questions. Each chapter ends with review questionsmore than 400 throughout the bookdesigned to instill confidence as you practice your new skills. This book has other features that will help you on this trigonometry journey of yours. It has a number of sidebars that will either provide helpful information or just serve as a quick break from your studies. The sidebars (by the way) point out important information, as well as tell you what to be careful about trigonometry-wise.
Every once in a while, an sidebar (in real life) will tell you what youre studying has to do with the real world; other IRLs may just be interesting factoids. In addition, this book is accompanied by a flashcard app that will give you the ability to test yourself at any time. The app includes more than 135 flashcards with a review question on one side and the answer on the other. You can either work through the flashcards by themselves or use them alongside the book. To find out where to get the app and how to use it, go to the next section, The Flashcard App. Dr. Sandra L. Sandra L.
McCune is a former Regents Professor who taught mathematics at Stephen F. Austin State University. Dr. William D. Clark is a professor of mathematics at the same university. Weve had the pleasure of working with Drs.
McCune and Clark before. They have a clear idea what you should get out of a trigonometry course and have developed strategies to help you get there. Drs. McCune and Clark have also seen the kinds of pitfalls that students can fall into, and they are experienced hands at solving those difficulties. In this book, they apply that experience both to showing you the most effective way to learn a given concept and how to extricate yourself from any trouble you may have gotten into. They will be trustworthy guides as you expand your trigonometry knowledge and develop new skills.
Before we leave you to Drs. McCune and Clarks sure-footed guidance, let us give you one piece of advice. While we know that saying something is the worst is a clich, if anything is the worst in trigonometry, it could be learning how to verify and use trigonometric identities. Let Drs. McCune and Clark introduce you to the concept and show you how to work confidently with identities. Take our word for it, mastering trigonometry identities will leave you in good stead for the rest of your math career.
Good luck with your studies! The Editors at McGraw-Hill
The Flashcard App
T his book features a bonus flashcard app. It will help you test yourself on what youve learned as you make your way through the book (or in and out). It includes 135+ flashcards, both front and back. It gives you two options as to how to use it. You can jump right into the app and start from any point that you want. Or you can take advantage of the handy QR codes at the end of each chapter in the book; they will take you directly to the flashcards related to what youre studying at the moment.