5. The Universal Tool: Trigonometry

  1. Arthur Mazer

Published Online: 18 JUL 2011

DOI: 10.1002/9780470591031.ch5

The Ellipse: A Historical and Mathematical Journey

The Ellipse: A Historical and Mathematical Journey

How to Cite

Mazer, A. (2010) The Universal Tool: Trigonometry, in The Ellipse: A Historical and Mathematical Journey, John Wiley & Sons, Inc., Hoboken, NJ, USA. doi: 10.1002/9780470591031.ch5

Publication History

  1. Published Online: 18 JUL 2011
  2. Published Print: 7 APR 2010

ISBN Information

Print ISBN: 9780470587188

Online ISBN: 9780470591031

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Keywords:

  • trigonometric functions;
  • graphs;
  • rotations;
  • Pythagorean identity;
  • Ptolemy

Summary

This chapter contains sections titled:

  • Trigonometric Functions

  • Graphs of the Sine, Cosine, and Tangent Functions

  • Rotations

  • Identities

  • Lucky 72

  • Ptolemy and Aristarchus

  • Drawing a Pentagon

  • Polar Coordinates

  • The Determinant