Answer
$x = arctan(\frac{3}{y-4})$
Work Step by Step
$y = 4+ 3~cot~x$, where $x~in~(0,\pi)$
$3~cot~x = y-4$
$cot~x = \frac{y-4}{3}$
$tan~x = \frac{3}{y-4}$
$x = arctan(\frac{3}{y-4})$
Trigonometry (10th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
0321671775
ISBN 13:
978-0-32167-177-6
Chapter 6 - Test - Page 288: 18b
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