Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Chapter 7 - 7.4 - Sum and Difference Formulas - 7.4 Exercises - Page 540: 102d


As $h \to 0^{+} $, $f(h) \to 0.5$ and $g(h) \to 0.5$

Work Step by Step

We can see that as $h \to 0$ from the right, both f(h) and $g(h)$ approach $0.5$. Therefore, as $h^{+} \to 0^{+} $, $f(h) \to 0.5$ and $g(h) \to 0.5$.
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