Help Center/ Data Lake Insight/ Spark SQL Syntax Reference/ Built-In Functions/ Mathematical Functions/ cot1
Updated on 2023-11-03 GMT+08:00
View PDF

cot1

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

Syntax

cot1(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 or DECIMAL type.

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

Example Code

The value 1.0000000000000002 is returned.

select cot1(pi()/4);

The value NULL is returned.

select cot1(null);
Parent topic: Mathematical Functions