COS
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COS(a) | ||
---|---|---|
Engine | OK | Alternative |
ingres | Yes | |
mysql | Yes | |
oracle | Yes | |
postgres | Yes | |
sqlserver | Yes |
COS
COS(f) returns the cosine of f where f is in radians.
COS(3.14159/3) -> 0.5
schema:scott
DROP TABLE angle
CREATE TABLE angle(
id INTEGER,
angle FLOAT);
INSERT INTO angle VALUES (0,1);
INSERT INTO angle VALUES (1,0.7853);
INSERT INTO angle VALUES (2,0.5235);
In this example you return the cosine of each of the angles.
SELECT id
FROM angle
WHERE func = 'COS'
See also