${\displaystyle \underset{\phantom{}}{\overset{\phantom{}}{}}}co{s}^{-1}(x)dx=$

$xco{s}^{-1}(x)\sqrt[\phantom{2}]{1-x^2}C$

$xco{s}^{-1}(x)-\frac{1}{2}ln\sqrt[\phantom{2}]{1-x^2}C$

$co{s}^{-1}(x)-\frac{1}{\sqrt[\phantom{2}]{1-x^2}}C$

$xco{s}^{-1}(x)\frac{1}{2}\sqrt[\phantom{2}]{1-x^2}C$

None of these