{
  "width": 420,
  "height": 420,
  "padding": 18,
  "xRange": [-2.4, 2.4],
  "yRange": [-2.4, 2.4],
  "axes": true,
  "aspect": "equal",
  "title": "r = 2\\cos 3\\theta",
  "elements": [
    { "type": "circle", "center": [0, 0], "radius": 2, "color": "#cbd5e1", "style": "dotted", "width": 1 },
    { "type": "polar", "r": "2cos(3theta)", "range": [0, 3.141592653589793], "samples": 720, "color": "#be123c", "width": 2 },
    { "type": "text", "at": [1.15, 1.55], "text": "\\text{three petals}", "size": 12, "color": "#64748b" }
  ]
}