Answer
$b \approx10.72, B= 65^\circ,
c \approx11.83$
Work Step by Step
Given $a=5, A=25^\circ$, we have $b=a\ cotA=5cot25^\circ\approx10.72, B=90^\circ-25^\circ=65^\circ,
c=\frac{a}{sinA}=\frac{5}{sin25^\circ}\approx11.83$
Precalculus (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0-32197-907-9
ISBN 13:
978-0-32197-907-0
Chapter 8 - Applications of Trigonometric Functions - 8.1 Right Triangle Trigonometry; Applications - 8.1 Assess Your Understanding - Page 519: 35
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