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 ASINThe 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.

后续步骤Next steps