ARCTANGENT Function [ATAN]   Arctangent Function

Calculate the arctangent for a given angle. 

The arctangent of right triangle is the inverse of the tangent for that triangle.


Example: 

1. Calculate arctangent for rise of 12 and run of 23
Input
[clr] [clr]
if necessary, sweep finger across green keys to reveal trig keys
12 ÷ 23 =
[Conv] [ATAN]
Display
0

 
  27.55°


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