Elementary Technical Mathematics

Published by Brooks Cole
ISBN 10: 1285199197
ISBN 13: 978-1-28519-919-1

Chapter 14 - Section 14.1 - Sine and Cosine Graphs - Exercise - Page 480: 10

Answer

-1.4012

Work Step by Step

Rounded to four significant digits, we have (using a calculator): $$ \tan 125.5^o=-1.4012 .$$
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