trigonometry

海外直订Solving Problems in Trigonometry: Mathematical Olympiad Problems 解决三角问题：奥数问题

海外直订Elements of Geometry and Trigonometry from the Works of A. M. Legendre 勒让德作品中的几何学和三角学元素

海外直订Trigonometry 1 Applications of Trigonometry 三角学1三角学的应用

海外直订Solutions for Trigonometry Sums from Plane Trigonometry Part 1 of S L Loney 平面三角函数求三角和的方法S L L

按需印刷不退不换Trigonometry And Stereographic Projections (1913)[9781104514242]

海外直订Precalculus 2: An Investigation of Trigonometry (Chps 5-9) 微积分预备2:三角学研究(5-9章)

按需印刷不退不换Treatise On Geometry And Trigonometry[9781120947116]

海外直订Advanced Trigonometry 高级三角法

海外直订Easily Master Trigonometry: Essential techniques and problem-solving strategies 轻松掌握三角学：基本技术和

海外直订The Teaching of Algebra: (Including Trigonometry) 代数教学:(含三角函数)

海外直订Trigonometry 三角函数

海外直订Trigonometry: An Informal Approach 三角法：一种非正式的方法

海外直订Student Solutions Manual Analytic Trigonometry with Applications 学生解决方案手册分析三角学与应用

按需印刷不退不换Trigonometry Improved And Projection Of The Sphere Made Easy (1720)[9781104927318]

海外直订A New Trigonometry for Schools 学校的新三角学

海外直订Elements of Trigonometry 三角学基础

海外直订Trigonometry: Math for Gifted Students 三角学：天才学生的数学

海外直订A Treatise on Plane Trigonometry 平面三角论

海外直订Trigonometry: Lessons That Speak To You 三角学：与你交谈的课程

英文原版 Trigonometry A Very Short Introduction 三角几何 牛津通识读本 英文版 进口英语原版书籍

海外直订Problems and Solutions in Plane Trigonometry (LaTeX Edition): For the use of Col 平面三角学中的问题及解决办

海外直订Solutions of the Examples in Hall and Knight's Elementary Trigonometry 霍尔和奈特初等三角学中的实例解

海外直订Plane Trigonometry 平面三角

海外直订Let's Laugh at Trig (Black and White): A Simple Introduction to Trigonometry (Bl 让我们笑一下trig（黑白）：

按需印刷不退不换Trigonometry And Double Algebra[9781430498865]

海外直订Elements of trigonometry, plane and spherical 三角、平面和球面元素

海外直订Spherical Trigonometry, For The Use Of Colleges And Schools, With Numerous Examp 球面三角，用于大学和学校，

海外直订An Elementary Geometry and Trigonometry 《初等几何与三角》

海外直订Elements of Geometry and Trigonometry Translated From the French of A.M. Legendr 《几何和三角的基本原理》译

海外直订Elements of Plane and Solid Geometry: And of Plane and Spherical Trigonometry; t 平面与立体几何的基本要素：