El ATAN function
Lazing on the beach and I think you should get A TAN? The A TAN The function returns the arctangent, or the inverse tangent, of a number. The arc tangent is the angle whose tangent is a number. The angle returned is given in radians in the range of -π / 2 a π / 2.
The A TAN The function uses the following syntax to operate:
The A TAN The function has a single argument:
- number: this is necessary and should be the tangent of the angle you need.
To express the arc tangent in degrees, multiply the result by 180 / PI () or use the DEGREES function.
Please, see my example below: