Example 3: A boy standing at a point A sights a tree B on a bearing of 048° and a pole C due east of him. He walked to a point D, a distance of 200m in the South-East direction where he observed the bearing of C and B to be 050° and 335° respectively. Calculate to the nearest metre. i. |AC ii. |BD| If Z is on AC such that AAZB is an isosceles triangle and

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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Example 3:
A boy standing at a point A sights a tree B on a bearing
of 048° and a pole C due east of him. He walked to a
point D, a distance of 200m in the South-East direction
where he observed the bearing of C and B to be 050°
and 335° respectively. Calculate to the nearest metre.
i.
|AC
ii.
|BD|
If Z is on AC such that AAZB is an isosceles triangle and
<BAZ and <AZB are the base angles, find the bearing of
B from Z.
Transcribed Image Text:Example 3: A boy standing at a point A sights a tree B on a bearing of 048° and a pole C due east of him. He walked to a point D, a distance of 200m in the South-East direction where he observed the bearing of C and B to be 050° and 335° respectively. Calculate to the nearest metre. i. |AC ii. |BD| If Z is on AC such that AAZB is an isosceles triangle and <BAZ and <AZB are the base angles, find the bearing of B from Z.
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