A park ranger wanted to measure the height of a tall tree. The ranger stood 9.50 m from  the base of the tree; and he observed that his line of sight made an angle of 65.2 degrees  above the horizontal as he looked at the top of the tree. The park ranger's eyes are 1.80 m above the ground. What is the height of the tree?

Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter1: Introduction And Vectors
Section: Chapter Questions
Problem 55P
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A park ranger wanted to measure the height of a tall tree. The ranger stood 9.50 m from  the base of the tree; and he observed that his line of sight made an angle of 65.2 degrees  above the horizontal as he looked at the top of the tree. The park ranger's eyes are 1.80 m above the ground. What is the height of the tree?

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