{"type":"rich","version":"1.0","title":"泰宇 C1 2-5.2：三角函數圖形-tanx","html":"<iframe src=\"https://www.desmos.com/calculator/tzvit7tpjc?embed\" width=\"500px\" height=\"500px\" style=\"border: 1px solid #ccc\" frameborder=0></iframe>","width":500,"height":500}