Answer
Ans. H=481feet
Work Step by Step
Given:- AB=120feet
In ∆ABC
tan$\theta$=$\frac{BC}{AB}$
tan76°=$\frac{H}{120}$
H=tan76°×120=481feet
Ans.
Calculus, 10th Edition (Anton)
by Anton, Howard
Published by
Wiley
ISBN 10:
0-47064-772-8
ISBN 13:
978-0-47064-772-1
Appendix B - Trigonometry Review - Exercise Set B - Page A25: 42
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