Trigonometry: A Very Short Introduction

Alan Turing: The Enigma: The Book That Inspired the Film The Imitation Game - Updated Edition

What Is Mathematics?: An Elementary Approach to Ideas and Methods, Edition 2

The Mathematics of the Heavens and the Earth: The Early History of Trigonometry

Heavenly Mathematics: The Forgotten Art of Spherical Trigonometry

Zero: The Biography of a Dangerous Idea

Humble Pi: A Comedy of Maths Errors

From Samarqand to Jaipur: Evolving al-Kāshī’s Approximation to the Sine of One Degree

Practice Makes Perfect Trigonometry

Fun with Trigonometry

Maths Rank Scorer Trigonometry : A Complete Chapterwise Course Of Mathematics (For CBSE & All Secondary Board)

Men of Mathematics

The Calculus Story: A Mathematical Adventure

Trigonometry: A Complete Introduction: The Easy Way to Learn Trig

The Joy Of X: A Guided Tour of Math, from One to Infinity

The Principia: The Authoritative Translation: Mathematical Principles of Natural Philosophy

Relativity - The Special and General Theory

Must Know High School Trigonometry