\(K\left(\theta\right)=1-2.23073\ 10^{-4}\left(\theta\right)-1.1\ 10^{-4}\left(\theta\right)^{2}-3.185\ 10^{-6}\left(\theta\right)^{3}-4.855\ 10^{-8}\left(\theta\right)^{4}\) \(\left(3\right)\)