Analysis of Student Learning Outcomes in Proving Trigonometric Identities from Problem Based Learning Class

Stefanus Surya Osada1 & FX Catur Supatmono2
*suryaosada@gmail.com & 2catursupatmono@gmail.com
1Sanata Dharma University, Yogyakarta and 2De Britto High School, Yogyakarta
DOI: 10.24071/seadr.2019.07

Abstract. The topic of trigonometric identity verification given by researchers through problem-based learning in a high school in Yogyakarta has provided opportunities for students to conclude that in solving trigonometric identity verification problems three strategies can be used. This research aims to determine the learning outcomes of students in solving trigonometric identity verification questions after the learning. Observation of learning outcomes is done by analyzing the abilities and failures of students based on Indicators of Achievement of Competence. The research conducted was qualitative research with data obtained through give a 15-minutes test containing two problems, which given to students, and interviews to three students chosen based on variations in different answers. The results obtained are from the three students, only one student can solve all the problems. Two other students were unable to complete those problems, both the first and the second. The reason for this is not because the two students did not understand how to prove trigonometric identity, but because the two students were less skilled in performing basic algebraic operations related to fraction forms.

Keywords: learning outcomes; proving; strategies; trigonometric identities; problem based learning.

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Metrics and Citations

Analysis of Student Learning Outcomes in Proving Trigonometric Identities from Problem Based Learning Class

Osada, S. S., & Supatmono, F. X. C. (2020). Analysis of Student Learning Outcomes in Proving Trigonometric Identities from Problem Based Learning Class. In Y. D. Kristanto, A. H. Panuluh, B. Utomo, & P. Angelina (Eds.), Companion Proceedings of the 7th South East Asia Design Research International Conference (SEADRIC 2019) (pp. 43–53). Yogyakarta: Sanata Dharma University Press. doi: 10.24071/seadr.2019.07


Osada, Stefanus Surya, and F. X. Catur Supatmono. “Analysis of Student Learning Outcomes in Proving Trigonometric Identities from Problem Based Learning Class.” Companion Proceedings of the 7th South East Asia Design Research International Conference (SEADRIC 2019), edited by Yosep Dwi Kristanto et al., Sanata Dharma University Press, Yogyakarta, 2020, pp. 43–53.


Osada, Stefanus Surya, and F. X. Catur Supatmono. “Analysis of Student Learning Outcomes in Proving Trigonometric Identities from Problem Based Learning Class.” In Companion Proceedings of the 7th South East Asia Design Research International Conference (SEADRIC 2019), edited by Yosep Dwi Kristanto, Albertus Hariwangsa Panuluh, Beni Utomo, and Patricia Angelina, 43–53. Yogyakarta: Sanata Dharma University Press, 2020. https://doi.org/10.24071/seadr.2019.07.


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