Real-life application of the Law of Sines. In this module we've been working with the Laws of Sines and Cosines.  Now let's think about applications. Jack needs to determine the height of a tree before cutting it down to be sure it does not fall on his house 32 feet away from the tree.  The angle of elevation of the tree from one position on flat ground is 30 degrees, and from a second position, 40 feet away, is 20 degrees.   How tall is the tree?  Can Jack safely cut down the tree?

Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE: 1. Give the measures of the complement and the supplement of an angle measuring 35°.
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Real-life application of the Law of Sines.

In this module we've been working with the Laws of Sines and Cosines.  Now let's think about applications.

Jack needs to determine the height of a tree before cutting it down to be sure it does not fall on his house 32 feet away from the tree.  The angle of elevation of the tree from one position on flat ground is 30 degrees, and from a second position, 40 feet away, is 20 degrees.   How tall is the tree?  Can Jack safely cut down the tree?

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