Trigonometry (10th Edition)

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

Chapter 1 - Test: 3

Answer

$20^{\circ};70^{\circ}$

Work Step by Step

1. Complementary angles add up to 90 degrees, construct the equation and solve for x: (-3x+5)+(-8x+30)=90 -11z+35=90 -11x=55 x=-5 2. Plug value of x to find the angles -3(-5)+5=20 -8(-5)+30=70
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