atan()
returns the arctangent of a number in radians. Arctangent function is the inverse of the tangent function. Arctangent of a number is also known as the tangent inverse of the number.
Syntax: atan(expression)
Returns: A Float.
Arguments
Name | Description |
expression | A numeric expression that represents the angle in radians. |
Example
RETURN atan(0.5)
The value returned will be the arccosine of 0.5 radians, which is 0.4636476090008061.
Considerations
atan(null)
returnsnull
.
Example
RETURN atan(0.1)
Returns the following Result
atan(0.1) |
0.09966865249116204 |
Example
RETURN atan(0.8)
Returns the following Result
atan(0.8) |
0.6747409422235527 |
Example
RETURN atan(-4)
Returns the following Result
atan(-4) |
-1.3258176636680326 |
Example
RETURN atan(1)
Returns the following Result
atan(1) |
0.7853981633974483 |
Example
RETURN atan(0)
Returns the following Result
atan(0) |
0.0 |
Example
RETURN atan(null)
Returns the following Result
atan(null) |
null |
Note– atan(null)
returns null
.