Tour of a simple trigonometry problem

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3 Citations (Scopus)


This article focuses on a simple trigonometric problem that generates a strange phenomenon when different methods are applied to tackling it. A series of problem-solving activities are discussed, so that students can be alerted that the precision of diagrams is important when solving geometric problems. In addition, the problem-solving plan was implemented in a high school and the results indicated that students are relatively weak in problem-solving abilities but they understand and appreciate the thinking process in different stages and steps of the activities. Copyright © 2012 Taylor & Francis Group, an informa business.
Original languageEnglish
Pages (from-to)449-461
JournalInternational Journal of Mathematical Education in Science and Technology
Issue number4
Publication statusPublished - Jun 2012


Poon, K.-K. (2012). Tour of a simple trigonometry problem. International Journal of Mathematical Education in Science and Technology, 43(4), 449-461.


  • Dynamics geometry
  • Problem solving
  • Trigonometry


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