{
  "name": "sin",
  "type": "function",
  "groups": ["Math"],
  "description": "Returns the sine of an angle.",
  "arguments": [{
    "arg": "angle",
    "description": "angle in radians"
  }],
  "examples": [{
    "expression": "sin(1.571)",
    "returns": "0.999999682931835"
  }],
  "tags": ["sine", "angle"]
}