instruction: Switch to Scientific mode and find the value of tan 30

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{"name": "navigate_back", "parameters": {}}
{"name": "navigate_back", "parameters": {}}
{"name": "click", "parameters": {"x": 1013, "y": 1812}}
{"name": "click", "parameters": {"x": 622, "y": 1753}}

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      class_name: "android.widget.TextView"
      text: "Language"
      depth: 14
    }
    nodes {
      bounds_in_screen {
        left: 209
        top: 2340
        right: 1036
        bottom: 2028
      }
      class_name: "android.widget.TextView"
      text: "Device"
      depth: 14
    }
  }
}


assistant: !FUNCTIONCALL{"name": "navigate_back", "parameters": {}}