Trig or treat: an encyclopedia of trigonometric identity proofs

Ning Hong Yeo9789812776181, 9812776184, 9789812776198, 9812776192

This encyclopedia contains trigonometric identity proofs for some three hundred identities. The book is presented in the form of mathematical games for the reader’s enjoyment and includes a concordance of trigonometric identities, enabling easy reference.

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Table of contents :
Contents……Page 8
Preface……Page 10
Introduction……Page 14
Trig — Level One 1 The Basics of Trigonometry……Page 16
Pythagoras’ Theorem……Page 26
Trig — Level Two Compound Angles, Double Angles and Half Angles……Page 30
Trig — Level Three Angles in a Triangle Sum and Difference of sin and cos……Page 40
Practical Trig Numerical Values of Special Angles — Graphs of sin, cos and tan for 0 –360……Page 48
Appendix……Page 59
The Concordance of Trigonometric Identities……Page 62
The Encyclopedia of Trigonometric Games or Trigonometric Identity Proofs (TIPs)……Page 86
Level-One-Games: Easy Proofs……Page 88
Level-Two-Games: Less-Easy Proofs……Page 266
Level-Three-Games: Not-So-Easy Proofs……Page 364
Addenda……Page 408
About the Author……Page 415