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          <e type="operand">1</e>
          <e type="operand">β</e>
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          <e type="bracket">(</e>
          <e type="operand">1</e>
          <e type="operand">β</e>
          <e type="function" args="1">sin</e>
          <e type="operator" args="2">-</e>
          <e type="function" args="1">sqrt</e>
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          <e type="operand">2</e>
          <e type="operand">β</e>
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          <e type="operand">1</e>
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          <e type="function" args="1">sin</e>
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          <e type="operand">4</e>
          <e type="operand">1</e>
          <e type="function" args="6">mat</e>
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      </math>
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    <region left="18" top="486" width="187" height="43" color="#000000" fontSize="10">
      <math>
        <input>
          <e type="operand">y</e>
          <e type="operand">x</e>
          <e type="function" args="2">arctan</e>
          <e type="operand">y</e>
          <e type="operand">x</e>
          <e type="operator" args="2">/</e>
          <e type="function" args="1">atan</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region left="18" top="531" width="88" height="36" color="#000000" fontSize="10">
      <math>
        <input>
          <e type="operand">δ</e>
          <e type="operand">δ</e>
          <e type="operand">1</e>
          <e type="operand">3</e>
          <e type="operand">1</e>
          <e type="operand">2</e>
          <e type="function" args="4">mat</e>
          <e type="function" args="2">el</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region left="18" top="621" width="248" height="95" color="#000000" fontSize="10">
      <math>
        <input>
          <e type="operand">δ</e>
        </input>
        <result action="symbolic">
          <e type="operand">α</e>
          <e type="function" args="1">abs</e>
          <e type="operand">1</e>
          <e type="operator" args="1">-</e>
          <e type="operand">β</e>
          <e type="function" args="1">sin</e>
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          <e type="operand">β</e>
          <e type="function" args="1">cos</e>
          <e type="operator" args="2">/</e>
          <e type="function" args="1">atan</e>
          <e type="operator" args="2">+</e>
          <e type="bracket">(</e>
          <e type="operator" args="1">-</e>
          <e type="operand">α</e>
          <e type="function" args="1">abs</e>
          <e type="operand">1</e>
          <e type="operand">β</e>
          <e type="function" args="1">sin</e>
          <e type="operator" args="2">+</e>
          <e type="operand">β</e>
          <e type="function" args="1">cos</e>
          <e type="operator" args="2">/</e>
          <e type="function" args="1">atan</e>
          <e type="operator" args="2">+</e>
          <e type="bracket">(</e>
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          <e type="operand">2</e>
          <e type="operand">1</e>
          <e type="function" args="4">mat</e>
        </result>
      </math>
    </region>
    <region left="297" top="621" width="46" height="24" color="#000000" fontSize="10">
      <math>
        <input>
          <e type="operand">L</e>
          <e type="operand">1</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region left="396" top="621" width="46" height="24" color="#000000" fontSize="10">
      <math>
        <input>
          <e type="operand">α</e>
          <e type="operand">7</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region left="459" top="621" width="46" height="24" color="#000000" fontSize="10">
      <math>
        <input>
          <e type="operand">β</e>
          <e type="operand">9</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region left="297" top="657" width="112" height="45" color="#000000" fontSize="10">
      <math>
        <input>
          <e type="operand">δ</e>
          <e type="function" args="1">vectorize</e>
        </input>
        <result action="numeric">
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          <e type="operator" args="1">-</e>
          <e type="operand">6.0022</e>
          <e type="operator" args="1">-</e>
          <e type="operand">2</e>
          <e type="operand">1</e>
          <e type="function" args="4">mat</e>
        </result>
      </math>
    </region>
    <region left="432" top="657" width="162" height="63" color="#000000" fontSize="10">
      <math>
        <input>
          <e type="operand">eq</e>
          <e type="function" args="1">vectorize</e>
        </input>
        <result action="numeric">
          <e type="operand">1.0239</e>
          <e type="operand">10</e>
          <e type="operand">15</e>
          <e type="operator" args="1">-</e>
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          <e type="operator" args="2">*</e>
          <e type="operand">5.2851</e>
          <e type="operand">10</e>
          <e type="operand">16</e>
          <e type="operator" args="1">-</e>
          <e type="operator" args="2">^</e>
          <e type="operator" args="2">*</e>
          <e type="operand">2</e>
          <e type="operand">1</e>
          <e type="function" args="4">mat</e>
        </result>
      </math>
    </region>
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</worksheet>