TeX Quellcode:

\begin{array}{lclcrcl}\quad\mathbb{D}&=&\mathbb{R} \cr \cr f(x)&=&\cos(x^2) \cr\cr \quad g(h(x)) &=&\cos(h(x)) & \Rightarrow & g'(h(x)) &=& -\sin(h(x)) \cr \quad h(x) &=& x^2 & \Rightarrow & h'(x) &=& 2x \cr \cr f'(x)&=& -\sin(x^2) \cdot 2x \cr &=& -2x \cdot \sin(x^2)\end{array}