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Direct linkAltman, Renana; Kidron, Ivy – International Journal of Mathematical Education in Science and Technology, 2016
Processes of knowledge construction are investigated. A learner is constructing knowledge about the trigonometric functions and their geometric meaning on the unit circle. The analysis is based on the dynamically nested epistemic action model for abstraction in context. Different tasks are offered to the learner. In his effort to perform the…
Descriptors: Trigonometry, Geometric Concepts, Mathematics Activities, Learning Experience
