This function is used to return the sine value of a, with input in radians.
sin(DOUBLE a)
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. |
The return value is of the DOUBLE type.
If the value of a is NULL, NULL is returned.
The value 1 is returned.
select sin(pi()/2);
The value NULL is returned.
select sin(null);