Trigonometry (10th Edition)

Published by Pearson
ISBN 10: 0321671775
ISBN 13: 978-0-32167-177-6

Chapter 1 - Quiz (Sections 1.1-1.2): 3

Answer

$64^{\circ}; 26^{\circ}$

Work Step by Step

1. Complementary angles add up to 90 degrees $(5x-1)+(2x)=90$ 2. Solve for x: $7x-1=90 $ $7x=91$ $x=13$ 3. Replace x to find angles : $5(13)-1=64 ^{\circ}$ $2(13)=26^{\circ}$
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