Trigonometry For Dummies (For Dummies (Math & Science)) | 
| Author: Mary Jane Sterling
Publisher: For Dummies
Category: Book
List Price: $19.99
Buy New: $10.74
You Save: $9.25 (46%)
New (44) Used (19) from $9.98
Avg. Customer Rating:  13 reviews
Sales Rank: 17286
Media: Paperback
Edition: 1
Number Of Items: 1
Pages: 384
Shipping Weight (lbs): 1.4
Dimensions (in): 9.4 x 5.8 x 1.1
ISBN: 0764569031
Dewey Decimal Number: 516
EAN: 9780764569036
ASIN: 0764569031
Publication Date: January 28, 2005
Availability: Usually ships in 1-2 business days
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Product Description
A plain-English guide to the basics of trig
From sines and cosines to logarithms, conic sections, and polynomials, this friendly guide takes the torture out of trigonometry, explaining basic concepts in plain English, offering lots of easy-to-grasp example problems, and adding a dash of humor and fun. It also explains the "why" of trigonometry, using real-world examples that illustrate the value of trigonometry in a variety of careers.
Mary Jane Sterling (Peoria, IL) has taught mathematics at Bradley University in Peoria for more than 20 years. She is also the author of the highly successful Algebra For Dummies (0-7645-5325-9).
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| Customer Reviews: Read 8 more reviews...
 Are you kidding?? November 22, 2008
18 pages in, and I find an egregious error:
Page 18:
Example: Find the area of a circle if the angle between the two radii forming the sector is 80 degrees and the diameter of the circle is 4.5 inches.
1. Find the area of the circle.
The area of the whole circle is A=(pi)r = (pi) (4.5) = 3.14 20.25 = 63.585, or about 63 square inches.
Now, either this is poor math (by not converting the diameter into radius), or poor editing (by meaning radius as opposed to diameter). Whichever it is, it doesn't instill a lot of confidence in the book.
Great, Practical Book with Good Topic Coverage June 18, 2008
This is a great book to understand basic trig concepts and to help you do real things in real life with trigonometry. From building a tree house for your daughter to calculating the distance to the moon, this book offers great coverage of trig plus practical applications!
 Trig March 7, 2008
0 out of 8 found this review helpful
I am not sure if it was helpful to my husband, but he has moved on to Calculus.
Excellent Book But Could Have Used a Proofreader Or Two December 19, 2007
4 out of 4 found this review helpful
I was in a bit of a quandary as to how to rate this book. I bought the book and the companion "Trigonometry Workbook for Dummies" to refresh my trig skills, long rusted after nearly 50 years of little use. Both books are really quite good although the workbook could be more comprehensive. The big problem with the workbook, and to a lesser extent with the "Trigonometry for Dummies" book, is the large number of errors in the book. One works out a very complicated identity problem only to find that the stated problem is different from the problem answered due to typographical errors. I don't think I went seven pages in the workbook without finding an error. Most of the errors were changed minus or plus signs. This made maintaining confidence in the book very difficult.
One would think that a big publisher like Wiley would employ competent proofreaders. I would also expect them to have an errata sheet somewhere on their web page. But, nooo, nothing helpful there at all except a glossary they forgot to put in this book.
Overall, both books were very helpful, with the exception of not having a lot of confidence that the answer to the problem I was trying to solve would be correct.
Good, but be careful August 21, 2007
5 out of 5 found this review helpful
I took calculus years ago, but I found I'd forgotten about everything about math, even algebra. The book explains trigonometry fairly well, but I found several errors. One problem contained a minus sign, but was worked out with a plus sign in the answers. Another problem had a similar mistake. Still, about every math book has mistakes, and this one does explain things well. Sometimes you have to really think to see how the author got the answer since a few steps were skipped, but that's probably a good mental exercise. I've had fun working through it and have been obsessed with finishing it at times, so I guess it's accomplishing its purpose.
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