∫11−x2 dx=\displaystyle\int \dfrac{1}{\sqrt{1-x^2}}\,dx =∫1−x21dx=Aln∣1−x2∣+C\ln|1-x^2| + Cln∣1−x2∣+CBarcsinx+C\arcsin x + Carcsinx+Ccheck_circleCarctanx+C\arctan x + Carctanx+CDarccosx+C\arccos x + Carccosx+CExplanationarcsin′(x)=1/1−x2\arcsin'(x) = 1/\sqrt{1 - x^2}arcsin′(x)=1/1−x2.