Two points on the same side of a tree are 19.8 meters apart. The angles of elevation of the top of the tree are 21° from one point and 16° from the other point.
Two points on the same side of a tree are 19.8 meters apart. The angles of elevation of the top of the tree are 21° from one point and 16° from the other point.
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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Concept explainers
Ratios
A ratio is a comparison between two numbers of the same kind. It represents how many times one number contains another. It also represents how small or large one number is compared to the other.
Trigonometric Ratios
Trigonometric ratios give values of trigonometric functions. It always deals with triangles that have one angle measuring 90 degrees. These triangles are right-angled. We take the ratio of sides of these triangles.
Question
Transcribed Image Text:Draw the pictures presented by the information in the problems given. (These
problems do not ask for an answer). Assume that buildings, ladders, etc. are all on
the level ground. Clear, neat, and accurate illustrations are necessary.
1. The angle of elevation at the top of the building from a point 30 meters away
from the building is 65°.
2. Two points on the same side of a tree are 19.8 meters apart. The angles of
elevation of the top of the tree are 21° from one point and 16° from the other
point.
3. A man flies a kite with a 100-foot string, the angle of elevation of the string is
52°.
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