COT in JS
Description
Unfortunately, the object Math
in JavaScript does not provide a method to calculate the cotangent of a given angle.
This could be calculated using the equation:
Sample Source Pattern
Implementation example
function cot(angle){
return Math.cos(angle)/Math.sin(angle);
}
Arguments
angle:
Numeric expression in radians.
Return Type
Same data type sent through parameter as a numeric expression.
Examples
CREATE OR REPLACE FUNCTION compute_cot(angle float)
RETURNS float
LANGUAGE JAVASCRIPT
AS
$$
function cot(angle){
return Math.cos(angle)/Math.sin(angle);
}
return cot(ANGLE);
$$
;
SELECT COMPUTE_COT(1);
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