{
  "name": "Polar Curves and Rectangular Conversions",
  "order": 17,
  "challenges": [
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      "title": " Polar and Rectangular Conversions",
      "description": [
        ""
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      "challengeSeed": [
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      "tests": [
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    {
      "id": "59a5801209a6acac5983a583",
      "title": " Rectangular to Polar Conversions",
      "description": [
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      "challengeSeed": [
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      "tests": [
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    },
    {
      "id": "59a5801209a6acac5983a584",
      "title": " Rectangular to Polar Form for Equations",
      "description": [
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      "challengeSeed": [
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      "tests": [
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    },
    {
      "id": "59a5801209a6acac5983a585",
      "title": " Intersections of Polar Curves",
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      "challengeSeed": [
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    {
      "id": "59a5801209a6acac5983a586",
      "title": " Equivalent Polar Curves",
      "description": [
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      "challengeSeed": [
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      "tests": [
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    },
    {
      "id": "59a5801209a6acac5983a587",
      "title": " Systems of Polar Equations",
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      "challengeSeed": [
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      "tests": [
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    }
  ]
}