Math

COS

PostgreSQL

Menghitung cosinus dari sudut dalam radian. Untuk input derajat, gunakan COS(RADIANS(degrees)).

Tipe hasil: double precision

Syntax

SQL

COS(radians)

radiansnumericwajib

Sudut dalam radian

SQL

1 SELECT 
2   COS(0) AS cos_0,
3   COS(PI()/2) AS cos_90,
4   COS(PI()) AS cos_180;

Cosinus untuk sudut-sudut umum.

Hasil

cos_0	cos_90	cos_180
1	6.12323399573677e-17	-1

SQL

1 SELECT 
2   -- Haversine formula component
3   COS(RADIANS(lat1)) * COS(RADIANS(lat2)) AS cos_product
4 FROM locations;

Digunakan dalam formula jarak geografis.

COS

MySQL

COS

Snowflake

COS

BigQuery

1	SELECT
2	-- Haversine formula component
3	COS(RADIANS(lat1)) * COS(RADIANS(lat2)) AS cos_product
4	FROM locations;