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Students' Comparison of Their Trigonometric Answers with the Answers of a Computer Algebra System in Terms of Equivalence and Correctness
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Tonisson, Eno; Lepp, Marina – International Journal for Technology in Mathematics Education, 2015
The answers offered by computer algebra systems (CAS) can sometimes differ from those expected by the students or teachers. The comparison of the students' answers and CAS answers could provide ground for discussion about equivalence and correctness. Investigating the students' comparison of the answers gives the possibility to study different…
Descriptors: Equations (Mathematics), Trigonometry, Mathematics Instruction, Algebra