Welcome to **E-Books Directory**

This page lists freely downloadable books.

# Trigonometry

E-Books for free online viewing and/or download

## e-books in this category

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**Open Trigonometry: Basic to Advanced**

- **Wikibooks** , **2014**

Book 1 is pre-calculus trigonometry. We assume the student is relatively new to algebra and do algebra step by step. Many of the pages have closely related free/YouTube videos at the Khan Academy. Many students find the video presentation helpful.

(**1015** views)

**Plane Trigonometry and Numerical Computation**

by **J.W. Young, F.M. Morgan** - **The Macmillan Company** , **1919**

The material is arranged in such a way that the first six chapters give the essentials of a course in numerical trigonometry and logarithmic computation. The remainder of the theory usually given in the longer courses is in the last two chapters.

(**1170** views)

**A Semester Course in Trigonometry**

by **Marcel B. Finan** - **Arkansas Tech University** , **2003**

The text represents a serious effort to produce exposition that is accessible to a student at the freshmen or high school levels. The chapters of this book are well suited for a one semester course in College Trigonometry.

(**7508** views)

**Trigonometry Notes**

by **Steven Sy** - **Michigan State University** , **2008**

From the table of contents: Review of Functions; Rational Functions; Elementary Trigonometry; Graphing Trigonometric Functions; Trigonometric Identities; Advanced Trigonometric Concepts; Triangle Trigonometry; Selected Answers to the Exercises.

(**6601** views)

**Spherical Trigonometry**

by **I. Todhunter** - **Macmillan and co** , **1886**

The present work contains all the propositions usually included under the head of Spherical Trigonometry, together with a large collection of examples for exercise. The examples have been selected from the University and College Examination Papers.

(**4004** views)

**Practical Trigonometry**

by **H. C. Playne** - **E. Arnold** , **1906**

The book gives the reader a working knowledge of elementary Trigonometry. The book contains many and varied examples to be worked out by the student. Many examples illustrate the use of Trigonometry in Mechanics, Physics and Analytical Geometry.

(**4593** views)

**Elements of Plane Trigonometry**

by **Hugh Blackburn** - **Macmillan and co** , **1871**

Trigonometry is the science of the numerical relations between the sides and angles of triangles. This treatise is intended to demonstrate how from given values of some of the sides and angles of a triangle to calculate all the others.

(**4333** views)

**Trigonometry for Beginners**

by **J. B. Lock** - **The MacMillan Company** , **1896**

Contents: Definitions. The Figures of Trigonometry; Measurement of Angles; Trigonometrical Ratios; Acute Angle; Trigonometrical Ratios of Certain Angles; Practical Applications; On the Relations between the Trigonometric Ratios; and more.

(**7346** views)

**Plane and Spherical Trigonometry in three parts**

by **Henry Bedingfield Goodwin** - **Longmans, Green, and Co.** , **1907**

This book was intended to serve as an introduction to the study of Navigation and Nautical Astronomy for the junior officers under training in H.M. Fleet. The text plane trigonometry, spherical trigonometry, and the examples in the use of logarithms.

(**5007** views)

**Elementary Trigonometry**

by **W. E. Paterson** - **Clarendon Press** , **1911**

In this book the trigonometrical ratios are introduced as functions of the angle. The trigonometrical properties of the single angle are treated fully in the early chapters, and the examples apply Trigonometry wherever it may be useful.

(**9843** views)

**CK-12 Trigonometry**

by **Mara Landers, Brenda Meery** - **CK-12 Foundation** , **2009**

A comprehensive book on trigonometry. From the table of contents: Trigonometry and Right Angles; Circular Functions; Trigonometric Identities; Inverse Functions and Trigonometric Equations; Triangles and Vectors; Polar Equations and Complex Numbers.

(**13203** views)

**Trigonometry**

by **Michael Corral** - **mecmath.net** , **2009**

A text on elementary trigonometry. Though designed for college students, it could also be used in high schools. The traditional topics are covered, but a more geometrical approach is taken than usual. Also, some numerical methods are discussed.

(**12654** views)

**Dave's Short Course in Trigonometry**

by **David E. Joyce** - **Clark University** , **2002**

This website is a short introduction to Trigonometry by a professor at Clark University. It is very easy to follow, is full of animations and study problems for the reader to work through. You should already be familiar with algebra and geometry.

(**9328** views)

**Plane and Spherical Trigonometry**

by **Elmer A. Lyman, Edwin C. Goddard** - **Allyn and Bacon** , **1900**

A trigonometry textbook that treats the solution of triangles quite fully and elaborates analytical trigonometry. It covers angles, trigonometric functions, inverse functions, trigonometric equations and identities, triangles, spherical trigonometry.

(**11445** views)

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