Download or read book Plane Trigonometry written by R. David Gustafson and published by Arden Shakespeare. This book was released on 1989-05 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: Using an angle-in standard position introduction to trigonometric functions, with emphasis on right-triangle applications, Gustafson and Frisk's new edition continues to offer solid preparation for future mathematics, especially calculus. The Fourth Edition contains new emphasis on both scientific and graphing calculators and a more visual approach. The Gustafson and Frisk style remains P easy to teach from, easy to learn from because of the book's streamlined development of topics, the correct amount of material in each section, and its no-nonsense, straightforward approach.