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Bearings

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In air navigation, bearings are given as angles rotated clockwise from the north. Application in Triangle Trigonometry. A ship travels on a N50 E course. – PowerPoint PPT presentation

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Title: Bearings


1
Bearings
Triangle Trigonometry
  • By Andre Lam (18)
  • Lau Wai Soong (19)
  • Ivan Leo (20)
  • Lim Bing Wen (21)

2
Content
  • Introduction
  • What are bearings?
  • Application in Triangle Trigonometry
  • Application in Real Life
  • Sample Questions
  • Activity (Try it yourself!)
  • Question and Answer

3
Introduction
  • What are bearings?
  • From Wikipedia,
  • A bearing is the angle between a line connecting
    two points and a north-south line.

4
Application in Triangle Trigonometry
  • In Trigonometry, (Ivan)

5
Application in Triangle Trigonometry
6
Application in Real Life
  • In Real Life, bearings are commonly used in three
    forms of navigation
  • Marine Navigation
  • Aircraft Navigation
  • Land Navigation
  • With the help of bearings, soldiers, divers and
    hikers alike will not get lost while exploring
    unknown or new territory!

7
Application in Real Life
  • According to the US Army, bearings can also be
    used in war-time conditions.
  • Bearings are able to
  • Determine the location of a foreign object or
    target
  • Aid piloting of an aircraft
  • Bring a drone from one position to another by
    remote
  • Search and Rescue a lost soldier

8
Sample Questions
  • http//www.digitaldesk.org/resources/mathsweb/bear
    ing1.htm
  • The above link will address more queries about
    the use of bearings and how bearings work.
  • Bearings 1 through Bearings 3 are sample
    questions.

9
Additional Sample Questions
  • (Wai Soong) try to find more animated stuff online

10
Activity (Try it yourself!)
  • (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

11
  • Any Questions?

12
  • THANK YOU
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