{
  "name": "tan",
  "type": "function",
  "groups": ["Math"],
  "description": "Returns the tangent of an angle.",
  "arguments": [{
    "arg": "angle",
    "description": "angle in radians"
  }],
  "examples": [{
    "expression": "tan(1.0)",
    "returns": "1.5574077246549"
  }],
  "tags": ["angle", "tangent"]
}