cot1¶
This function is used to calculate the cotangent value of a, with input in radians.
Syntax¶
cot1(DOUBLE a)
Parameters¶
Parameter | Mandatory | Type | Description |
|---|---|---|---|
a | Yes | DOUBLE, BIGINT, DECIMAL, or STRING | The value can be a float, integer, or string. If the value is not of the DOUBLE type, the system will implicitly convert it to the DOUBLE type for calculation. |
Return Values¶
The return value is of the DOUBLE or DECIMAL type.
Note
If the value of a is NULL, NULL is returned.
Example Code¶
The value 1.0000000000000002 is returned.
select cot1(pi()/4);
The value NULL is returned.
select cot1(null);