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Journal of Mathematical…

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Dugdale, Sharon

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Beyond the Evident Content Goals Part III. An Undercurrent-Enhanced Approach to Trigonometric Identities.

Peer reviewed

Dugdale, Sharon – Journal of Mathematical Behavior, 1990

The third in a series of 3 articles, a study of 30 students was conducted to test the effect of restructuring a unit on trigonometric identities around microcomputer activities based on the themes of educational undercurrents identified in Part II. Experimental-group students scored significantly higher relating trigonometric functions to their…

Descriptors: Analytic Geometry, Computer Assisted Instruction, Computer Software, Discovery Learning