Conversions Between Trigonometric Representation Systems by Pre-service Secondary School Teachers
Main Article Content
Vol. 16 No. 3: (April, 2022), Articles, pages 237-263
Submitted: Sep 7, 2021
Accepted: Apr 18, 2022
Published: Apr 26, 2022
Abstract
Understanding trigonometry relational system is a school mathemat-ics demanding topic. The angle, the unit circle and the trigonometric functions are its foundational notions. Trigonometric contents mean-ing and their understanding involve these three concepts and their re-lationships. This research aims to deepen in the pre-service teachers’ understanding about the angle, the unit circle and the trigonometric function when converting notions between two trigonometric repre-sentation systems based on the unit circle and the trigonometric func-tions. The results indicate that pre-service mathematics teachers’ pre-sent a lack of connections between the goniometric and the analytical representation system.
Keywords:
Conversions among representation, Meaning of a school mathematical content, Relational systems, Understanding trigonometric contents
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