Question

Find the derivative of f(x) = (cot x)^{1/2
By First Principle.}

Answer 1

$$\begin{gathered} f\left(x\right)=(cotx{)}^{\frac{1}{2}} \\ \frac{df\left(x\right)}{dx}=-\frac{\cos e{c}^{2}x}{2}(cotx{)}^{\frac{-1}{2}}\left[ans\right] \end{gathered}$$