RADIANS

1
SELECT
2
  degree_val,
3
  RADIANS(degree_val) as radian_val
4
FROM (
5
  SELECT unnest([0, 30, 45, 60, 90, 180, 360]) as degree_val
6
);

1
SELECT
2
  angle_degrees,
3
  SIN(RADIANS(angle_degrees)) as sin_val,
4
  COS(RADIANS(angle_degrees)) as cos_val
5
FROM (
6
  SELECT unnest([0, 30, 45, 60, 90]) as angle_degrees
7
);

1
SELECT
2
  city,
3
  latitude,
4
  longitude,
5
  RADIANS(latitude) as lat_rad,
6
  RADIANS(longitude) as lon_rad
7
FROM cities;