Trigonometry 7th Edition

Published by Cengage Learning
ISBN 10: 1111826854
ISBN 13: 978-1-11182-685-7

Chapter 8 - Test - Page 474: 2

Answer

$y=2$ with $x=5$ or $x=-2$

Work Step by Step

By equating the real and imaginary parts we get the following equations: $16=8y\\y=2$, $x^2-3x=10\\x^2-3x-10=0\\(x-5)(x+2)=0$ Thus $y=2$ with $x=5$ or $x=-2$
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