COS() - Cosine Trigonometric Value

Q

How to calculate the cosine trigonometric value of a given angle using the COS() function?

✍: FYIcenter.com

A

COS(X) is a MySQL built-in function that calculates the cosine trigonometric value of a given angle in radians. For example:

SELECT COS(0), COS(1.57), COS(3.14);
  -- +--------+-----------------------+---------------------+
  -- | COS(0) | COS(1.57)             | COS(3.14)           |
  -- +--------+-----------------------+---------------------+
  -- |      1 | 0.0007963267107332633 | -0.9999987317275395 |
  -- +--------+-----------------------+---------------------+

Reference information of the COS() function:

COS(X): val
  Returns the cosine of X, where X is given in radians.

Arguments, return value and availability:
  X: Required. The input angle in radians.
  val: Return value. The cosine of X.
  Available since MySQL 4.0.

Related MySQL functions:

ACOS() - Arccosine Trigonometric Value

⇒ COT() - Cotangent Trigonometric Value

⇐ CONV() - Number Base Conversion

⇑ MySQL Functions on Numeric Values

⇑⇑ MySQL Function References

2023-11-15, 1062🔥, 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, 6239🔥, 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, 2287🔥, 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, 1674🔥, 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, 1518🔥, 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, 1264🔥, 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, 1224🔥, 0💬

VAR_POP() - Population Standard Variance
How to calculate the population standard variance of a field expression in result set groups using the VAR_POP() function? VAR_POP(expr) is a MySQL built-in aggregate function that calculates the population standard variance of a field expression in result set groups. For example: SELECT help_catego... 2023-12-01, 1223🔥, 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, 1191🔥, 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, 1187🔥, 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.