ASIN (Azure Cosmos DB)ASIN (Azure Cosmos DB)
返回角度（弧度），其正弦是指定的数值表达式。Returns the angle, in radians, whose sine is the specified numeric expression. 也被称为反正弦。This is also called arcsine.
语法Syntax
ASIN(<numeric_expr>)
参数Arguments
numeric_exprnumeric_expr
是一个数值表达式。Is a numeric expression.
返回类型Return types
返回一个数值表达式。Returns a numeric expression.
示例Examples
以下示例返回 -1 的 ASIN。The following example returns the ASIN of -1.
SELECT ASIN(-1) AS asin
下面是结果集。Here is the result set.
[{"asin": -1.5707963267948966}]
备注Remarks
此系统函数不会使用索引。This system function will not utilize the index.