BearingsBearingsBy Andre Lam (18)Lau Wai Soong (19)Ivan Leo (20)Lim Bing Wen (21)

Triangle Triangle TrigonometryTrigonometry

Content

0 Introduction0 What are bearings?0 Application in Triangle Trigonometry0 Application in Real Life

0Sample Questions0Activity (Try it yourself!)0Question and Answer

Introduction

0What are bearings?

0From 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 Navigation0 Aircraft Navigation0 Land Navigation

0With the help of bearings, soldiers, divers and hikers alike will not get lost while exploring unknown or new territory!

Application in Real Life

0According to the US Army, bearings can also be used in war-time conditions.

0Bearings are able to:0 Determine the location of a foreign object or target0 Aid piloting of an aircraft0 Bring a drone from one position to another by remote0 Search and Rescue a lost soldier

Sample Questions

0http://www.digitaldesk.org/resources/mathsweb/bearing1.htm

0The above link will address more queries about the use of bearings and how bearings work.

0Bearings 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