Oemanas, H.K.O., Nahak, S., Mone, F. and Rodríguez-Nieto, C.A. 2024. Analysis of the Mathematical Reasoning Ability of High School Students in Solving Trigonometric Problems. Indonesian Educational Research Journal. 2, 2 (Dec. 2024), 45–56. DOI:https://doi.org/10.56773/ierj.v2i2.43.