Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 4 - Section 4.3 - Right Triangle Trigonometry - Exercise Set - Page 563: 71


The statement does not make any sense.

Work Step by Step

According to the table of $\sin $ $\theta $ values, the value of $\text{sin}45{}^\circ $ is $\frac{1}{\sqrt{2}}$ and it is an irrational number. This number cannot be calculated using an isosceles right triangle but can be calculated using a calculator.
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