Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole
ISBN 10: 1305071751
ISBN 13: 978-1-30507-175-9

Chapter 6 - Section 6.1 - Angle Measure - 6.1 Exercises - Page 478: 21

Answer

$171.98^{\circ}$

Work Step by Step

We know that- $1$ rad = $(\frac{180}{\pi})^{\circ}$ Therefore $3$ rad = $(3\times\frac{180}{\pi})^{\circ}$ = $(3\times\frac{180}{3.14})^{\circ}$ = $(\frac{540}{3.14})^{\circ}$ = $171.98^{\circ}$
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