====== ATan(tangent) ======
Category:  Number function

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=====Description=====
This function returns the arctangent - the angle, in radians((Conversion:  radians = degrees * ([[syntax:functions:pi|Pi()]] / 180) )), whose tangent is //tangent//.

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=====Arguments=====
^Argument^Type^Description^
|tangent|Number (between -1 and 1)|The tangent of an angle.|
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**Return value type:**  Number

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=====Examples=====

  atan( 0.57788) //Returns 0.5239…

  atan(0.9992) //Returns 0.7849…


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===== See also =====
  * [[syntax:functions:arctan|ArcTan(number1, number2)]]
  * [[syntax:functions:acos|ACos(cosine)]]
  * [[syntax:functions:asin|ASin(sine)]]
  * [[syntax:functions:tan|Tan(angle)]]