Input: `sin(0.5,x)`
Compute: $$^{-1}(sin^{(0.5)}(x))$$
Result: $$asin(x)+(-0.25)\ \pi $$
LaTeX:asin(x)+(-0.25)\ \pi
$$^{-1}(sin^{(0.5)}(x)) == asin(x)+(-0.25)\ \pi $$