Precalculus (10th Edition)

Published by Pearson
ISBN 10: 0-32197-907-9
ISBN 13: 978-0-32197-907-0

Chapter 7 - Analytic Trigonometry - 7.6 Double-angle and Half-angle Formulas - 7.6 Assess Your Understanding - Page 498: 77

Answer

no real solutions

Work Step by Step

Rewrite the equation to get $3-sin\theta=1-2sin^2\theta \longrightarrow 2sin^2\theta-sin\theta+2=0 \longrightarrow $ no real solutions, as $b^2-4ac\lt0$
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