The angle between the line $\overrightarrow r=(2\hat i-\hat j+3\hat k)+\lambda(3\hat i-\hat j+2\hat k)\:\:and\:\:the\:\:plane\:\:\overrightarrow r.(\hat i+\hat j+\hat k)=3$ is ?

Question

$\begin{array}{1 1} cos^{-1}\large\frac{4}{\sqrt {42}} \\ sin^{-1}\large\frac{4}{\sqrt {42}} \\ tan^{-1}\large\frac{4}{\sqrt {42}} \\ tan^{-1}4\end{array} $