# How do you write the equation sin30=1/2 in the form of an inverse function?

$\sin 30 = \frac{1}{2} \iff a r c \sin \left(\frac{1}{2}\right) = 30 , \mathmr{and} , \iff , {\sin}^{-} 1 \left(\frac{1}{2}\right) = 30.$