RADIANS

声明

RADIANS(X)

说明

该函数将角度转换为弧度，返回 X 的弧度值。其中，π 弧度等于 180 度。

示例

SELECT RADIANS(-10), RADIANS(0), RADIANS(10), RADIANS(-0.5), RADIANS(0.5);
+----------------------+------------+---------------------+-----------------------+----------------------+
| RADIANS(-10)         | RADIANS(0) | RADIANS(10)         | RADIANS(-0.5)         | RADIANS(0.5)         |
+----------------------+------------+---------------------+-----------------------+----------------------+
| -0.17453292519943295 |          0 | 0.17453292519943295 | -0.008726646259971648 | 0.008726646259971648 |
+----------------------+------------+---------------------+-----------------------+----------------------+
1 row in set (0.001 sec)