La Función Trigonométrica Seno
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Abstract
The present work focused on the transition from the concept of trigonometric reason to trigonometric function, through the implementation of a didactic sequence, some tasks were proposed that gradually allowed to discover the relationships between the trigonometric ratios of an acute angle, and then through the unit circle to discover the properties of the sine function. For this study there were activities of measurement, calculation and problem modelling, also the geometrical knowledge about the Theorem of Thales, similarity of triangles, Pythagoras theorem to discover the possible relationships between the trigonometric ratios and achieve an understanding of the concept of the sine trigonometric function. It is concluded that with the implementation of a didactic sequence in Trigonometry studying, relevant to cognitive processes are promoted because connections are achieved, generalization is worked on, graphic and symbolic representation connect the knowledge, achieving that students reach significant goals in the construction of the process that is trigonometric functional thinking.
