# Thread: Differentiating a complicated function

1. ## Differentiating a complicated function

2. $f'\left( x \right) - \frac{{\arccos x}}{{{x^2}}}$

You can enter the following expression into this website for a step-by-step evaluation of the differentiation of your expression.

arccos[x]/x + (1/2) * ln[(1-sqrt[1-x^2]) / (1 + sqrt[1-x^2])]

3. ## oh

thanx davidlyness