Handayani, D. and Kusnandi, K. 2025. The Effect Of Confidence Level On Problem-Solving Ability On The Topic Of Comparative Trigonometry: A Study On High School Students . Eduvest - Journal of Universal Studies. 5, 2 (Feb. 2025), 1666–1681. DOI:https://doi.org/10.59188/eduvest.v5i2.1694.