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● From a point A the angle of elevation of a post is 460 10' while from a point D, 50 meters from A on the same level, the angle of elevation to the top of the post is 270 45' . How high is the post?

● From a point A the angle of elevation of a post is 460 10' while from a point D, 50 meters from A on the same level, the angle of elevation to the top of the post is 270 45' . How high is the post?

Trigonometry (11th Edition)
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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● From a point A the angle of elevation of a post is 460 10' while from a point D, 50 meters from A on the same level, the angle of elevation to the top of the post is 270 45' . How high is the post? A is approximately due north of B. The latitude of A is 48oN while the latitude of B is 300 N (N- north of the equator). If the radius of the earth is 6400 km, find the north-south distance in KM between A and B.
Transcribed Image Text:● From a point A the angle of elevation of a post is 460 10' while from a point D, 50 meters from A on the same level, the angle of elevation to the top of the post is 270 45' . How high is the post? A is approximately due north of B. The latitude of A is 48oN while the latitude of B is 300 N (N- north of the equator). If the radius of the earth is 6400 km, find the north-south distance in KM between A and B.
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● From a point A the angle of elevation of a post is 460 10' while from a point D, 50 meters from A on the same level, the angle of elevation to the top of the post is 270 45' . How high is the post? A is approximately due north of B. The latitude of A is 48oN while the latitude of B is 300 N (N- north of the equator). If the radius of the earth is 6400 km, find the north-south distance in KM between A and B.
Transcribed Image Text:● From a point A the angle of elevation of a post is 460 10' while from a point D, 50 meters from A on the same level, the angle of elevation to the top of the post is 270 45' . How high is the post? A is approximately due north of B. The latitude of A is 48oN while the latitude of B is 300 N (N- north of the equator). If the radius of the earth is 6400 km, find the north-south distance in KM between A and B.
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