ACOS to get arc cos of any value using MySQL query

ACOS() function to get arc cos of any value

SELECT ACOS(0);// Output 1.5707963267948966
SELECT ACOS(1); // Output is 0
SELECT ACOS(-2); // Output is NULL

Using ROUND() with ACOS()

SELECT ROUND(ACOS(0),2);// Output is 1.57

Syntax

SELECT ACOS( X )

The output is arc cos of X or the value for which COS() is X

This function only takes input in range of -1 to 1, for any other input the output will be NULL.

We are getting outputs in radian, so to change the value to degree we will use DEGREES()

ACOS() with DEGREES()

SELECT DEGREES(ACOS(0)); // Output is 90
SELECT DEGREES(ACOS(0)); // Output is 90 
SELECT DEGREES(ACOS(-1)); // Output is 180

SQL Math References COS() SIN() function

Subhendu Mohapatra

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