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: 22

Answer

- $114.65^{\circ}$

Work Step by Step

We know that- $1$ rad = $(\frac{180}{\pi})^{\circ}$ Therefore -$2$ rad = - $(2\times\frac{180}{\pi})^{\circ}$ = -$(2\times\frac{180}{3.14})^{\circ}$ = - $(\frac{360}{3.14})^{\circ}$ = - $114.65^{\circ}$
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