COT
Description
Returns the cotangent of x, where x is the value in radians, only input and output are supported as double. Input null value will return null value.
Syntax
COT(<x>)
Parameters
Parameter | Description |
---|---|
<x> | The value for which the cotangent is to be calculated |
Return Value
Returns a Double type value means the cotangent of x.
Special Cases
- When
x
is NaN, returns NaN - When
x
is positive or negative infinity, returns NaN - When
x
is NULL, returns NULL
Example
select cot(1),cot(2),cot(1000);
+--------------------+----------------------+--------------------+
| cot(1) | cot(2) | cot(1000) |
+--------------------+----------------------+--------------------+
| 0.6420926159343306 | -0.45765755436028577 | 0.6801221323348698 |
+--------------------+----------------------+--------------------+
Input null value.
select cot(null);
+--------------------+
| cot(null) |
+--------------------+
| NULL |
+--------------------+
select cot(cast('nan' as double));
+----------------------------+
| cot(cast('nan' AS DOUBLE)) |
+----------------------------+
| NaN |
+----------------------------+
select cot(cast('inf' as double));
+----------------------------+
| cot(cast('inf' AS DOUBLE)) |
+----------------------------+
| NaN |
+----------------------------+
select cot(cast('-inf' as double));
+-----------------------------+
| cot(cast('-inf' AS DOUBLE)) |
+-----------------------------+
| NaN |
+-----------------------------+