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Showing 1 to 1 of 1 for “"trigonometrical identities"”.
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High-school students' productive struggles during the simplification of trigonometrical expressions and the proving of trigonometrical identities
… expressions and proving of trigonometric identities. Although studies have been published on the teaching and learning of trigonometrical concepts in schools and teacher education, there is a lack of published research into students' productive struggles in the simplification of …