Find the Angle $\theta$ (In Radians and Degrees) Between the Lines $\begin{array} { l } x - y = 10 \\3 x - 2 y = 1\end{array}$

Short Answer

Find the angle $\theta$ (in radians and degrees) between the lines. Round your answer to four decimal places for radians and round your answer to one decimal places for degree.
​ $\begin{array} { l } x - y = 10 \\3 x - 2 y = 1\end{array}$ ​