I can just plot them separately. Does someone have any idea, how to plot 1/sqrt(1-x^2) und arcsin together in the same graph using tizk or pgf?

  • Welcome to TeX.SE! Is this the usual thingy that the arguments of trigonometric functions are in degrees, and that's why the asin dominates? – user121799 Sep 18 '18 at 16:21

I can't confirm your statement but guess that your issue is that the ordinary trigonometric functions work with degrees rather than radians.


\begin{tikzpicture}[declare function={f(\x)=1/(sqrt(1-\x*\x));}]
    ymax=10, ymin=-1, xmin=0, xmax=1,
  \addplot [mark=none,smooth] {f(x)}; 
  \addplot+ [mark=none,smooth] {asin(x)*pi/180}; 

enter image description here

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