Answer
$ \dfrac{3 \pi }{4} + k \pi$
Work Step by Step
$ \sin{x} = -\cos{x}$
$\tan{x} = -1$
$x = \dfrac{3 \pi }{4} + k \pi$
Trigonometry 7th Edition
by McKeague, Charles P.; Turner, Mark D.
Published by
Cengage Learning
ISBN 10:
1111826854
ISBN 13:
978-1-11182-685-7
Chapter 7 - Section 7.3 - The Ambiguous Case - 7.3 Problem Set - Page 391: 43
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