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ATAN2 Function

The ATAN2 function is one of the math and trigonometry functions. It is used to return the arctangent of x and y coordinates.

The ATAN2 function syntax is:

ATAN2(x, y)

where x, y are the x and y coordinates of a point, numeric values entered manually or included into the cell you make reference to.

To apply the ATAN2 function,

  1. select the cell where you wish to display the result,
  2. click the Insert function Insert function icon icon situated at the top toolbar,
    or right-click within a selected cell and select the Insert Function option from the menu,
    or click the Function icon icon situated at the formula bar,
  3. select the Math and trigonometry function group from the list,
  4. click the ATAN2 function,
  5. enter the required arguments separating them by comma,
  6. press the Enter button.

The result will be displayed in the selected cell.

ATAN2 Function

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