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Trigonometry for Dummies (Englisch) Taschenbuch – 18. März 2014

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Learn to: Solve tricky trig equations Graph functions and figure out formulas Use trigonometry to solve practical problems Your guide to getting an angle on sines, cosines, and tangents Confused by cosines? Perplexed by polynomials? Dont worry! This friendly guide takes the torture out of trigonometry by explaining everything in plain English, offering lots of easy–to–grasp examples, and adding a dash of humor and fun. Youll see the ways trig applies to everyday life, and how its an important tool for a variety of careers. Start with basics get up and running with an overview of trig functions, radians, and more Learn tricky trig functions take things to the next level with SOH–CAH–TOA and circular functions Identify identities dig into reciprocal, ratio, opposite–angle, and Pythagorean identities Make trig work get practical with trig, find out how to use your calculator for complex solutions, and solve trig equations Graph functions figure out the basics of graphing sine, cosine, tangent, cotangent, and more Open the book and find: Definitions of trigonometry functions How to get down with Pythagoras and his theorem Ways to use Cartesian coordinates The lowdown on the sine, cosine, and tangent functions How to go ′round and ′round with circular functions The scoop on inverse trigonometry Details on graphing trig functions Ten basic identities and ten not–so–basic identities

Über den Autor und weitere Mitwirkende

Mary Jane Sterling is the author of Algebra I For Dummies and many other For Dummies titles. She has been teaching mathematics at Bradley University in Peoria, Illinois, for more than 30 years and has loved working with future business executives, physical therapists, teachers, and many others.

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Die hilfreichsten Kundenrezensionen auf (beta) 13 Rezensionen
8 von 9 Kunden fanden die folgende Rezension hilfreich
Excellent for self-study, expands material & corrects first edition errors. Fine on Kindle DX, but display problems elsewhere. 15. Februar 2014
Von One-Reader - Veröffentlicht auf
Format: Kindle Edition Verifizierter Kauf
I read the first edition and found it excellent. When this 2nd edition was announced, I purchased it feeling it might improve on the first edition. I was correct.

This is an outstanding book for self-study. It is well written in essentially non-technical terms when compared to some other mathematics texts. It can be easily understood, even by those just beginning, or refreshing, their study of trigonometry. It defines terms clearly and understandably, and includes some examples to re-enforce the concepts presented. However, the number of examples provided is relatively sparse, and as is often said mathematics is -not- a spectator sport, it needs to be participated in to develop a meaningful understanding.

The small number of worked examples, the lack of Chapter exercises, and the emphasis on statements made without proof are the text's primary weaknesses. For this reviewer, these deficiencies are compensated for by the presentation's excellence. Because of the lack of proofs, this should be considered an applied, rather than a pure, mathematics text. If you are interested is learning basic trig terminology and gaining a fundamental understanding of how trigonometric problems are solved, this is an excellent book (although, as noted, one with a shortage of solved examples, and thus one requiring a supplemental problem book, such as Kelley's excellent "The Humongous Book of Trigonometry Problems").

However, if you're primarily interested in understanding why certain trigonometric statements are true and how to prove these statements, this book is not a good choice.

This edition modifies, augments, and corrects material from the first edition. As examples, the informative section on "Angles in circles" has been added between the "Chord and Tangent" and "Sectors" sections, retained from the first edition. In addition, the first edition presents an example for finding the area of a sector. In that example, the diameter is incorrectly used in place of the radius in calculations. That error has been corrected here.

This book provides one of the clearest explanations of the six trigonometric functions. It presents these using a broad brush introduction in the first Chapter. It later expands and extends this introduction, using an explanation involving the sides of a right triangle. In a still later section, the trig functions are presented from a somewhat different perspective, based on the coordinates of a circle.

This book's text as well as its equations and graphs display nicely on my Kindle DX. However, many equation displays on my Kindle HDX 7", HDX 8.9", PC and Android Kindle emulators are literally unreadable. Enlarging the font, sadly, only enlarges the text, but not these equations or graphs. The equations are still unreadable.

Later Amazon Kindles appears to have a significant problem in displaying formulas, and this problem now appears pervasive. I am not aware (at the time of this review) of any current comment from Amazon about this issue, or even if they are aware of it and have a "fix" planned.

Perhaps, one of Amazon's team will read this review and comment on this problem, present at the time of this posting. It appears ubiquitous in most Kindle editions of mathematics and science texts targeted for the HDXs and Kindle emulators. I do not have HDs or Paperwhites and so cannot comment on versions for those products; perhaps owners of these products will be kind enough to add comments here.

Until this issue is fixed, I would gently recommend that any Kindle version of a mathematics or science text always be sampled on the target Kindle platform before purchase, and if this cannot be done, unless you are using a Kindle DX, the e-version be skipped in favor of the printed book.


This edition and the Kindle DX version can be highly recommended for applied users, but not for mathematicians, who would likely want a more "proof-oriented" text.

This book deserves five stars for its content.

Perhaps Amazon has implemented a solution to the formula display issue. However, I still found this same "formula" problem present in other Kindle books. If Amazon reads these reviews, may I gently suggest that until this problem is resolved, you consider -not- selling Kindle versions of any book containing formulas. If/when this display problem is fixed, please be kind enough to leave a comment with this review. Since Amazon now has an option for automatic updates available, we should then be able to see the correct display of these formulas on our Kindles and Kindle emulators.

When/if I see Amazon's comment I would be pleased to check my HDX and Kindle emulator versions of this book for the proper formula display, and update this review accordingly. Until then, while this text is highly recommended in its book form, it cannot be recommended of any Kindle HDXs or any versions of Kindle emulator software.
8 von 10 Kunden fanden die folgende Rezension hilfreich
Total waste of money!!! Jumps over steps necessary for non math people to get it! 24. Mai 2014
Von E. Milkes - Veröffentlicht auf
Format: Taschenbuch Verifizierter Kauf
I got this book as a refresher, because I had forgotten many of the concepts and wanted to brush up before tackling calculus. I assure you that not for the purpose of bragging, but so that you can believe that I'm fairly intelligent and can tell when something really stinks, I want to say at the outset that I have a degree from Brown University and a law degree from NYU. Despite my ability to understand complex language and the most convoluted gobbledygook, and more to the point, despite the fact that I was an A student in trigonometry in hight school, I consistently came up against brick walls of confusion with this book! I had to go to my son, a senior in high school, only to have him explain to me each time that the author had left out an important connection, or elemental explanation that would make sense of what she was saying. This happened about 4 times before I finally trashed the book! DONT WASTE YOUR MONEY!!!
1 von 1 Kunden fanden die folgende Rezension hilfreich
This book needs Copy Editing for Dummies! 23. August 2014
Von Robert Gelinas - Veröffentlicht auf
Format: Taschenbuch
Typo's abound and make it very difficult to follow along. What's so difficult about hiring a decent copy editor?
2 von 3 Kunden fanden die folgende Rezension hilfreich
Trig made fun and easy 28. Mai 2014
Von Amazon Customer - Veröffentlicht auf
Format: Taschenbuch Verifizierter Kauf
If you are like me and have had problems understanding trig, no matter how many times you've taken the classes - then this book is a must! Its informative and easy to follow, with a touch of humor and history well blended to keep your attention. It includes practical situations in which I never considered just how much trig is used in everyday occurances - from using angles in woodshops to how bearings are used in navigation - it is made fun and simple! - Heck if they used these books in college there'd be more people passing the classes than they'd have professors to teach them!
it is a great review for people who have studied Trig before 23. November 2014
Von Amazon Customer - Veröffentlicht auf
Format: Taschenbuch Verifizierter Kauf
Combined with the Workbook by the same author, it is a great review for people who have studied Trig before. Great for helping kids with their homework.
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