Transcript Bearings - Colintoh

Triangle
Trigonometry
Content
0 Introduction
0 What are bearings?
0 Application in Triangle Trigonometry
0 Application in Real Life
0 Sample Questions
0 Activity (Try it yourself!)
0 Question and Answer
Introduction
0 What are bearings?
0 From Wikipedia,
0 A bearing is the angle between a line connecting two
points and a north-south line.
Application in Triangle
Trigonometry
0 In Trigonometry, (Ivan)
Application in Triangle
Trigonometry
Application in Real Life
0 In Real Life, bearings are commonly used in three
forms of navigation:
0 Marine Navigation
0 Aircraft Navigation
0 Land Navigation
0 With the help of bearings, soldiers, divers and hikers
alike will not get lost while exploring unknown or
new territory!
Application in Real Life
0 According to the US Army, bearings can also be used
in war-time conditions.
0 Bearings are able to:
0 Determine the location of a foreign object or target
0 Aid piloting of an aircraft
0 Bring a drone from one position to another by remote
0 Search and Rescue a lost soldier
Sample Questions
0 http://www.digitaldesk.org/resources/mathsweb/be
aring1.htm
0 The above link will address more queries about the
use of bearings and how bearings work.
0 Bearings 1 through Bearings 3 are sample questions.
Additional Sample Questions
0 (Wai Soong) try to find more animated stuff online
Activity (Try it yourself!)
0 (Bing Wen) Please provide sample questions from
some workbooks that range from easy to challenging
and then paste them here. Get the class to write their
answers on the board and present how they get these
answers
Any
Questions?
THANK YOU