{"type":"rich","version":"1.0","title":"f(t)=2.1sin(π/6-5π/6)+3.2","html":"<iframe src=\"https://www.desmos.com/calculator/3wfpoaqkez?embed\" width=\"500px\" height=\"500px\" style=\"border: 1px solid #ccc\" frameborder=0></iframe>","width":500,"height":500}