PENGEMBANGAN LEMBAR KERJA PESERTA DIDIK BERORIENTASI REPRESENTASI GRAFIK PADA MATERI FUNGSI TRIGONOMETRI TINGKAT SMA

Abdurrahman Abdurrahman, Mohamad Rif'at, Dwi Astuti

Abstract


Abstract

The research was to develop student’worksheet oriented to the graphical representations of trigonometric functions. The student’ worksheet that available is more symbolic than the graphic. The problem is that the conceptual understanding of trigonometric functions is not only presented in symbolic but must also be presented in graphical, because that has more knowledge that can be formulated. Procedures are collecting information about the existing student worksheet by interviewing mathematics teachers and reviewing the graphical material of trigonometric functions, making the initial student’ worksheet design, testing student’ worksheet to students, improving student’ worksheet, and conducting feasibility tests on three validators, improving student’ worksheet based on suggestions from the validator, testing student’ worksheet and giving student response questionnaires to 6 students, and improving student worksheet based on suggestions from limited trial results. The student’ worksheet developed was feasible to use, namely content feasibility was of 85.92%, presentation feasibility was of 86.67%, language feasibility was of 85.71%, graphic feasibility was of 89.63%, and the level of readability was of 78.82%. The conclusion is that LKPD with the presentation of the trigonometric function more graphical and relates the concept of transformation is feasible to be used in learning.

Keywords: student’ worksheet, feasibility, readability


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e-ISSN : 2715-2723