Answer
$=$
Work Step by Step
Think of points on the number line, with the given coordinates.
Note that $\displaystyle \frac{1}{2}=\frac{5}{10}=0.5$
Thus, $\frac{1}{2}=0.5$.
Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)
by Sullivan III, Michael
Published by
Pearson
ISBN 10:
0-32193-104-1
ISBN 13:
978-0-32193-104-7
Appendix A - Review - A.1 Algebra Essentials - A.1 Assess Your Understanding - Page A11: 29
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