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doc-exports/docs/dli/sqlreference/dli_spark_cos.html
Su, Xiaomeng 76a5b1ee83 dli_sqlreference_20240227 
Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com>
Co-authored-by: Su, Xiaomeng <suxiaomeng1@huawei.com>
Co-committed-by: Su, Xiaomeng <suxiaomeng1@huawei.com>
2024-03-27 22:02:33 +00:00

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cos

This function is used to calculate the cosine value of a, with input in radians.

Syntax

cos(DOUBLE a)

Parameters

Table 1 Parameter

Parameter

Mandatory

Type

Description

a

Yes

DOUBLE, BIGINT, DECIMAL, or STRING

The value can be a float, integer, or string.

If the value is not of the DOUBLE type, the system will implicitly convert it to the DOUBLE type for calculation.

Return Values

The return value is of the DOUBLE type.

If the value of a is NULL, NULL is returned.

Example Code

The value -0.99999999999999999986 is returned.

select cos(3.1415926);

The value NULL is returned.

select cos(null);
Parent topic: Mathematical Functions