< 1 >
Derivative of the cotangent
The first derivative of the cotangent is
Explanation
We start from the definition
where we see that it's the inverse of the tangent. Differentiation gives
Now we apply the chain rule
so that
< 1 >
The first derivative of the cotangent is
We start from the definition
where we see that it's the inverse of the tangent. Differentiation gives
Now we apply the chain rule
so that