…Valentine's Day is a good excuse to explore parametric equations. First students figure the coordinates of this figure using trigonometric unit triangles. Then they simplify and accelerate this task with either a graphing calculator or with online software like Desmos or GraphSketch.com. The activity: ParametricHeart.pdf For members we have an editable Word docx, an Excel sheet, and tips/solutions. ParametricHeart.docx ParametricHeart.xlsx ParametricHeart-solution.pdf CCSS:HSG.SRT, HSF.TF… 0, 2
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