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Katherine Yoshiwara, Pierce College

Copyright Year: 2018

Last Update: 2021

Publisher: Bruce Yoshiwara

Language: English

Formats Available

Conditions of Use

Free Documentation License (GNU)
Free Documentation License (GNU)

Table of Contents

  • 1. Triangles and Circles
  • 2. Trigonometric Ratios
  • 3. Laws of Sines and Cosines
  • 4. Trigonometric Functions
  • 5. Equations and Identities
  • 6. Radians
  • 7. Circular Functions
  • 8. More Functions and Identities
  • 9. Vectors
  • 10. Polar Coordinates and Complex Numbers

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  • About the Book

    This text covers the content of a standard trigonometry course, beginning with a review of facts from geometry.

    About the Contributors


    Kathy Yoshiwara was born in Derby in the UK and grew up in Richmond, Virginia. She attended Michigan State University, where she studied Greek and mathematics. She did graduate work at UCLA and earned an MA in mathematics in 1977. She left UCLA in 1979 to join the faculty at Pierce College, where she taught for 33 years, retiring in 2013.   In the 1998-1999 academic year she taught at Barnsley College in Yorkshire, England on a Fulbright teaching Award for Distinguished College or University Teaching of Mathematics from the Southern California Section of the MAA. In November 2003, she won the Teaching Excellence Award for the Western Region from the American Mathematical Association of Two-Year Colleges (AMATYC). She is married to Bruce Yoshiwara and benefits from his expertise in all things mathematical.

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