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Content of trigonometry has several applications within Mathematics and in other areas, such as Physics, so that your knowledge will help in understanding various phenomena. In this sense, one can think about presenting this content in an interdisciplinary way, through teaching technologies to verify the contribution to teaching and learning. Thus, this work presents the application of an Investigative Teaching Sequence in the exposure of trigonometry and its applications, seeking interdisciplinarity 1 Mestranda do Programa de Pós-Graduação em Ensino (PPGE) da Universidade do Estado do Rio Grande do Norte (UERN), Pau dos Ferros, Rio Grande do Norte, Brasil. Endereço para correspondência: BR-405, Km 3, Arizona, Pau dos Ferros -RN, Brasil, CEP:59900-000. E-mail: patryciacedro@gmail.com. 2 Mestranda do Programa de Pós-Graduação em Ensino (PPGE) da Universidade do Estado do Rio Grande do Norte (UERN), Pau dos Ferros, Rio Grande do Norte, Brasil. Endereço para correspondência: BR-405, Km 3, Arizona, Pau dos Ferros -RN, Brasil, CEP:59900-000. E-mail: mariasframos@gmail.com. 3 Doutorado em Engenharia Elétrica pela Universidade Federal do Rio Grande do Norte (UFRN). Professor Adjunto na Universidade Federal Rural do Semi-árido (UFERSA), Pau dos Ferros, Rio Grande do Norte, Brasil. Endereço para correspondência: BR-226, Km 405, Pau dos Ferros -RN, Brasil, CEP: 59900-000. E-mail: otavio.lavor@ufersa.edu.br. ISSN: 2318-6674 DOI: 10.26571/reamec.v8i3.10784 575 Revista REAMEC, Cuiabá (MT), v. 8, n. 3, p. 574-591, setembro-dezembro, 2020. through projectile launch simulator of the PhET platform. The investigation showed that there was an interaction and motivation through the students regarding the content and the form that was applied, showing a close relation ship between trigonometry and the launching of projectiles. The final comments pointed out that the public approved the use of the PhET platform in an interdisciplinary perspective and that the content of trigonometry when taught in an applied way in other content enables better learning. Keywords/Palabras clave: Investigative Teaching Sequence. Launch of Projectile. Interaction.

INVESTIGANDO O ENSINO DE TRIGONOMETRIA ATRAVÉS DA INTERDISCIPLINARIDADE COM UM SIMULADOR DA PLATAFORMA PhET