{"type":"rich","version":"1.0","title":"$H(t)=25\\cos \\left(\\frac{\\pi }{14}t\\right)+31$","html":"<iframe src=\"https://www.desmos.com/calculator/hd9hwovwja?embed\" width=\"500px\" height=\"500px\" style=\"border: 1px solid #ccc\" frameborder=0></iframe>","width":500,"height":500}