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Title: Trigonometry the Easy Way by Douglas A. Downing ISBN: 0-7641-1360-7 Publisher: Barrons Educational Series Pub. Date: 01 February, 2001 Format: Paperback Volumes: 1 List Price(USD): $14.95

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Average Customer Rating: 2.64 (11 reviews)

Rating: 5
Summary: Excellent introduction to trig - an inductive approach
Comment: Trigonometry the Easy Way is an excellent way to learn trig. The best thing about this book is author's teaching method: it is completely inductive. The book is in the form of a fantasy story that takes place in an imaginary kingdom. The reader discovers trig as the characters in the story discover it. From their experiences, the characters draw principles or formulas of trigonometry. Most math books take a deductive approach: they present the general principles first, then apply them. I find that the inductive approach works much better, because the student learns to understand, rather than memorize, the principles. I highly recommend this book.

Rating: 4
Summary: It's a Decent Book
Comment: I think Trigonometry the Easy Way is a fairly good book. I read it, it made sense to me, and the storyline was rather interesting. It does have some problems: The exercises at the end of each chapter are much harder than what was covered in the main part of the chapter, there are relatively few examples, and the principles of trigonometry are introduced in an unclear way. An example of this is, "Will you get sick to the subject!" Recordis cried. You always go off on tangents!" "Very well," the king declared. "We will call the other ratio the tangent ratio." Overall it was pretty good book for people wanting to learn trigonometry in a fun way.

Rating: 1
Summary: Don't you dare buy this book!
Comment: This is by far the worst workbook I have ever encountered. I would give this piece of crapp "negative infinity stars" just to express my anger, if it were possible. I have spent a month and a half of my summer studying for trig using this book which ended up as a waste of effort and, most importantly, time. The summer is the only time where can I boost my brain and get ahead of everybody, and even sometimes become smarter than the teachers (hee!hee!).
The thing that annoys me the most was the blasted organization of this book. The stupid fairy tale was the entire gist than learning trig. Each chapter was focused on a dilemma faced by the king and his servants, and hardly anything about trig. It took me 3-4 days just to interpret each chapter due to these: the lack of examples, the lack of practice following the lesson before the new stuffs are taught (I call it "try it"), the tone is for a 8 year old (hey, wow! a 8 year is learning trig), and learning the materials can be a toil since the informations are, rather than stated directly like most workbooks, implied in the story, meaning you will waste time rereading the stupidstory again and again trying to comprehend it. Another thing, you have to understand the story in order to actually learn trig in T.E.W (who said that!).
Mr. Douglas A. Downing has written a pain in the head. Why does he have to teach us trig by the usage of a gay fairy tale. He could have taken an easier turn by just teaching trig directly to us instead of deriving ways to make the story relevant to trig, then we are more into the story (a reason why I didn't purchase Calculus the Easy Way). You have to give him credit for being creative but all his works just turned out to be B.S. Maybe he was on crack. One thing is for certain, I will never purchase anything with the name Douglas A. Downing on it.