Answer
$0.41,2.73$
Work Step by Step
Use a calculator, $sin\theta=0.4 \Longrightarrow \theta=sin^{-1}0.4\approx0.41$ and $\pi-0.41\approx2.73$ in $[0,2\pi)$.
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
Chapter 6 - Analytic Trigonometry - Section 6.3 Trigonometric Equations - 6.3 Assess Your Understanding - Page 488: 45
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