COT of any input is the cotangent where input is in radian using MySQL query

SELECT COT(PI()); // Output is -8.16561967659769e+015 or Infinity 
SELECT ROUND(COT(PI()/2),2); // Output is 0.00 
SELECT ROUND(COT(PI()/3),2); // Output is 0.58

We used ROUND() to show only two decimal places.

Syntax

SELECT COT( X )

X is in Radian

COT() with PI()

mathematical constant PI() (π) value is 3.141593

COT() with RADIANS

Radians function convert degree value to radian.

SELECT COT(RADIANS(0)); // Output is NULL
SELECT COT(RADIANS(45)); // Output is 1 
SELECT  ROUND(COT(RADIANS(90)),2); // Output is0.00
SELECT ROUND(COT(RADIANS(180)),2); // Output is Infinity

SQL Math References TAN() sin()

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COT():

COT() with PI()

COT() with RADIANS