Make Trigonometry
SKU: 65085089665

Make Trigonometry

Sale price$486.00 Regular price$540.00
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Description

Make TrigonometryTrigonometry has 2000 year old roots in everyday useful endeavors, like finding the size of an object too big or far away to measure directly, or navigating from Point A to Point B. However, it is often taught very theoretically, with an emphasis on abstractions. Make: Trigonometry uses 3D printable models and readily available physical objects like wire and cardboard tubes to develop intuition about concepts in trigonometry and basic analytic

Trigonometry has 2000-year-old roots in everyday useful endeavors, like finding the size of an object too big or far away to measure directly, or navigating from Point A to Point B. However, it is often taught very theoretically, with an emphasis on abstractions. Make: Trigonometry uses 3D printable models and readily-available physical objects like wire and cardboard tubes to develop intuition about concepts in trigonometry and basic analytic geometry. Readers will imagine the thought process of the people who invented these mathematical concepts, and can try out "math experiments" to see for themselves how ingenious ancient navigators and surveyors really were.The analytic geometry part of the book links equations to many of these intuitive concepts, which we explore through in-depth explanations of manipulative models of conic sections. This book is aimed at high school students who might be in Algebra II or Pre-Calculus. It shows the geometrical and practical sides of these topics that otherwise can drown in their own algebra.Make: Trigonometry builds on the basics of the authors' earlier book, Make: Geometry, and is intended as a bridge from that book to their Make: Calculus book. The user can read this book and understand the concepts from the photographs of 3D printable models alone. However, since many models are puzzle-like, we encourage the reader to print the models on any consumer-grade filament based 3D printer. The models are available for download in a freely-available open source repository. They were created in the free program OpenSCAD, and can be 3D printed or modified the student in OpenSCAD to learn a little coding along the way.About the AuthorJoan Horvath is the co-founder of Nonscriptum, a consulting and training firm that teaches educators and scientists how to use maker tech. She is a recovering rocket scientist who spent 16 years at JPL and then another 20 as an entrepreneur. Joan is an alumna of MIT, and the co-author of Make: Geometry and Make: Calculus. She lives in Southern California.Rich Cameron is the co-founder of Nonscriptum, a consulting and training firm that teaches educators and scientists how to use maker tech. He is an open-source 3D printer hacker who designed the RepRap Wallace and Bukito 3D printers, and the co-author of Make: Geometry and Make: Calculus. He lives in Southern California.

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SKU: 65085089665

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Taho
Charlottesville, US
★★★★★ 5
Arm Saver
Style: Classic + 2pk Ball, Size: 26in
I loved this product as much as my dog! It saved my arm and the ball flew further than I could ever throw it myself. The rubber balls are very durable and are holding up very well for the ball chewer.
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Reviewed in the United States on April 30, 2026
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Michael Warren
Waukegan, US
★★★★★ 5
For medium sized dogs over 25 lb
Style: Classic + 2pk Ball, Size: 26in
The product is great, but for my little dog, it won't work. The balls that come with it are too large for her. I will give this out for free if the dog park for people who have medium sized dogs. Over 25 lb
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Reviewed in the United States on May 26, 2026
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Big guy
Whiting, US
★★★★★ 5
Throwing balls for dog
Style: Classic + 2pk Ball, Size: 26in
It sure saves my shoulders
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Reviewed in the United States on April 11, 2026
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Fred Haseman
Waukegan, US
★★★★★ 5
A must have for dogs.
Style: Classic + 2pk Ball, Size: 26in
This has provided hours of entertainment for our dog. The Length was perfect and saves a lot wear on your back from not having to bend over as much.
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Reviewed in the United States on April 22, 2026
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Rachel
Massapequa, US
★★★★★ 5
Best dog throwing toy
Style: Classic + 2pk Ball, Size: 26in
Probably one of the best purchases I have made! The balls are far superior to any tennis ball. My dog likes to chew or bite down on the balls once she catches them and tennis balls ball apart. As to the actual thrower - the extra length on this one has helped me, I had back surgery and am not able to bend over I can reach the ball without too much difficulty. So to sum it up - best dog throwing toy I have purchase!
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Reviewed in the United States on May 9, 2026

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