cos

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

cos(DOUBLE a)

**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.

The return value is of the DOUBLE type.

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

The value -0.99999999999999999986 is returned.

select cos(3.1415926);

The value NULL is returned.

select cos(null);

Parent topic: Mathematical Functions

Thank you very much for your feedback. We will continue working to improve the documentation.See the reply and handling status in My Cloud VOC.

The system is busy. Please try again later.

Which of the following issues have you encountered?

Content is inconsistent with the product UI

Unclear descriptions

Lack of examples or code

Incorrect steps

Can't find what I need

Lack of best practices

Feedback (optional)

0/500

Select at least one type of issue, and enter your comments or suggestions.

Enter a maximum of 500 characters.

Submit Cancel

For any further questions, feel free to contact us through the chatbot.