Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 7 - Trigonometric Identities and Equations - 7.6 Trigonometric Equations - 7.6 Exercises: 43

Answer

$\emptyset$

Work Step by Step

Substitute t=$\sin\theta$ $ t^{2}-2t+3=0\qquad$...quadratic formula... $t=\displaystyle \frac{2\pm\sqrt{4-12}}{2}$ has no real solutions, as the discriminant $b^{2}-4ac$ is negative So, the solution set is an empty set.
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