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The Construction of Trigonometric and Inverse Trigonometric Functions
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Martínez-Planell, Rafael; Delgado, Angel Cruz – North American Chapter of the International Group for the Psychology of Mathematics Education, 2013
This study uses APOS Theory to study students' construction of the sine and cosine functions and their inverses. The conjecture of the constructions students would need to do in order to attain a process conception of these functions is tested by using semi-structured interviews with a group of 11 undergraduate students. Analysis of the interviews…
Descriptors: Undergraduate Students, College Mathematics, Knowledge Level, Trigonometry