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Trigonometry (Mathematics, Books): Amazon KDP category data
Amazon Books Best Sellers data for Trigonometry (Mathematics, Books), updated Nov 2, 2026: median price $24.55, median 25 reviews, average rating 4.5 and a KDPTop opportunity score of 28/100 (highly competitive).
| Price range (middle 50%) | $13.99 – $35.00 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 7% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 2% of the parent category Mathematics (1,295), one of the easier corners under it.
- At $24.55 its median price beats 83% of Books categories, leaving more margin per copy.
- Prices spread wide: the middle half runs from $13.99 to $35.00, so budget editions and premium or boxed sets sell side by side.
Top 10 Trigonometry best sellers
-
SAT Test Prep: The Complete & Exam-Aligned Prep Book to Ace the Digital SAT®. Full-Length Practice Tests, Step-by-Step Explanations, and Test-Day Strategies
- List rank#1
- Price$25.90
- Rating4.9
- Reviews685
-
The Magic of Math: Solving for x and Figuring Out Why
- List rank#2
- Price$1.99
- Rating4.5
- Reviews397
-
Trigonometry: QuickStudy Laminated Reference Guide (Quick Study Academic)
by ExpoLog LLC
- List rank#3
- Price$6.48
- Rating4.7
- Reviews1,111
-
Math Practice Workbook Grades 6-8: 1000+ Questions You Need to Kill in Middle School by Brain Hunter Prep (Arithmetic, Algebra, Geometry, Measurement, ... more in Kill It Series by Brain Hunter Prep)
by Brain Hunter Prep
- List rank#4
- Price$24.99
- Rating4.2
- Reviews1,492
-
Trigonometry For Dummies
- List rank#5
- Price$19.53
- Rating4.6
- Reviews158
-
McGraw-Hill Education Trigonometry Review and Workbook
by William D. Clark
- List rank#6
- Price$13.99
- Rating4.6
- Reviews364
-
Trigonometry Essentials Practice Workbook with Answers: Master Basic Trig Skills (Improve Your Math Fluency)
- List rank#7
- Price$4.99
- Rating4.6
- Reviews946
-
The Math Blueprint: From Algebra to Calculus: A Visual Step-by-Step Guide for High School and College
by Stefano Giorgi
- List rank#8
- Price$24.90
- Rating4.6
- Reviews3
-
Love Triangle: How Trigonometry Shapes the World
by Matt Parker
- List rank#9
- Price$15.69
- Rating4.5
- Reviews224
-
ALGEBRA II ESSENTIAL PRACTICE WORKBOOK: HIGH SCHOOL
by American Math Academy
- List rank#10
- Price$28.48
- Rating4.5
- Reviews85
Same niche in Kindle eBooks: Trigonometry
FAQ
Is Trigonometry a good niche for Amazon KDP?
Its KDPTop opportunity score is 28/100, which makes it highly competitive. The median best seller has 25 reviews and sells for $24.55.
How many reviews do you need to rank in Trigonometry?
The median best seller has 25 reviews, and 76% of them have fewer than 100.
What do Trigonometry best sellers cost?
The median price is $24.55; half of the best sellers are priced between $13.99 and $35.00.
Can new books break into Trigonometry?
7% of the current best sellers were released in the last 90 days.
About this data
Data comes from KDPTop's daily crawl of Amazon's public Best Sellers pages; medians use the latest list. The opportunity score (0–100, higher is easier to enter) combines the review barrier, the share of low-review books, list turnover, new-release share and price.