ACOS() - Arccosine Trigonometric Value

Q

How to calculate the arccosine value of a given value using the ACOS() function?

✍: FYIcenter.com

A

ACOS(X) is a MySQL built-in function that calculates the arccosine value of a given value. For example:

SELECT ACOS(0), ACOS(1), ACOS(2);
  -- +--------------------+---------+---------+
  -- | ACOS(0)            | ACOS(1) | ACOS(2) |
  -- +--------------------+---------+---------+
  -- | 1.5707963267948966 |       0 |    NULL |
  -- +--------------------+---------+---------+

Reference information of the ACOS() function:

ACOS(X): val
  Returns the arc cosine of X, that is, the value whose cosine is X.
  Returns NULL if X is not in the range -1 to 1.

Arguments, return value and availability:
  X: Required. The input value.
  val: Return value. The arccosine value of the input value.
  Available since MySQL 4.0.

Related MySQL functions:

COS() - Cosine Trigonometric Value

⇒ ASIN() - Arcsine Trigonometric Value

⇐ ABS() - Absolute Value

⇑ MySQL Functions on Numeric Values

⇑⇑ MySQL Function References

2023-11-15, 1396🔥, 0💬

dba.FYIcenter.com Links
Collections: Interview Questions MySQL Tutorials MySQL Functions Oracle Tutorials SQL Server Tutorials Transact-SQL Tutorials DBA Articles Site Map Other Resources: SQA (Software QA) Developer Resources DBA Resources Windows Tutorials Java JAR Files DLL Files File Extensions Security Certificates Re... 2025-03-17, 7786🔥, 0💬

SUM() - Total Value in Group
How to calculate the total value of a field expression in result set groups using the SUM() function? SUM(expr) is a MySQL built-in aggregate function that calculates the total value of a field expression in result set groups. For example: SELECT help_category_id, SUM(help_topic_id), COUNT(help_topi... 2023-12-01, 3380🔥, 0💬

MS SQL Server DBA Checklist - General DBA Best Practices
-- Join (or start) a local SQL Server users group -- Attend at least one professional conference each year. -- Attend at least one training session each year. -- Read at least four books on SQL Server each year. -- Read the free e-book, How to Become an Exceptional DBA -- Learn everything you can ab... 2022-01-24, 2583🔥, 0💬

MySQL Functions on Character String Values
Where to find reference information and tutorials on MySQL database functions on string values? I want to know how to use SUBSTRING(), REPLACE() and other character string related functions. Here is a collection of reference information and tutorials on MySQL database functions on string values comp... 2023-11-10, 1992🔥, 0💬

Calling MySQL Built-in Functions
Where to find answers to frequently asked questions about calling MySQL Built-in Functions? Here is a list of frequently asked questions and their answers compiled by FYIcenter.com team about calling MySQL Built-in Functions: Function Name Case Insensitive Function Argument Modifier Variable Number ... 2023-11-14, 1751🔥, 0💬

SQRT() - Square Root of X
How to calculate the square root of a given number using the SQRT() function? SQRT(X) is a MySQL built-in function that calculates the square root of a given number. For example: SELECT SQRT(2), SQRT(4), SQRT(8); -- +--------------------+-------- -+--------------------+-- | SQRT(2) | SQRT(4) | SQRT(... 2023-11-14, 1523🔥, 0💬

YEARWEEK() - Year Week Combination
How to calculate the year week combination from a given date using the YEARWEEK() function? YEARWEEK(date, mode) is a MySQL built-in function that calculates the year week combination from a given date. For example: SELECT YEARWEEK('2024-03-04'), WEEK('2024-03-04'); -- +------------------------+---- ... 2023-11-16, 1463🔥, 0💬

TRUNCATE() - Truncating to Decimal Place
How to truncate a value to a given decimal place using the TRUNCATE() function? TRUNCATE(X, D) is a MySQL built-in function that truncates X to decimal place of D. For example: SELECT TRUNCATE(-1.58, 0), TRUNCATE(23.298, 1), TRUNCATE(23.298, -1); -- +--------------------+-------- -------------+------... 2023-11-14, 1431🔥, 0💬

UPPER() - Convert String to Upper Case
How to convert a string to upper case using the UPPER() function? UPPER(str) is a MySQL built-in function that converts all characters of a given into upper case characters. For example: SET @str = 'dba.FYIcenter.com'; SELECT UPPER(@str); -- +-------------------+ -- | UPPER(@str) | -- +-------------... 2023-11-13, 1417🔥, 0💬

All rights in the contents of this web site are reserved by the individual author. fyicenter.com does not guarantee the truthfulness, accuracy, or reliability of any contents.