Answer
$70^\circ,20^\circ$
Work Step by Step
The sum of the two angles is $90^\circ$, we have $-8x+30-3x+5=90$ thus $11x=-55$ and $x=-5$ and the two angles are $-8x+30=-8(-5)+30=70^\circ$ and $-3x+5=-3(-5)+5=20^\circ$
Precalculus (6th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
013421742X
ISBN 13:
978-0-13421-742-0
Chapter 5 - Trigonometric Functions - Test - Page 562: 3
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