Find the Inverse of the Following Matrix $$\left[ \begin{array} { c c } \cos \theta & \sin \theta \\- \sin \theta & \cos \theta\end{array} \right]$$

Multiple Choice

Find the inverse of the following matrix.​ $$\left[ \begin{array} { c c } \cos \theta & \sin \theta \\- \sin \theta & \cos \theta\end{array} \right]$$ ​

A) ​ $$\left[ \begin{array} { c c } \cos \theta & - \sin \theta \\\sin \theta & \cos \theta\end{array} \right]$$
B) ​ $$\left[ \begin{array} { c c } - \cos \theta & - \sin \theta \\\sin \theta & \cos \theta\end{array} \right]$$
C) ​ $$\left[ \begin{array} { c c } \cos \theta & \sin \theta \\- \sin \theta & \cos \theta\end{array} \right]$$
D) ​ $$\left[ \begin{array} { c c } \cos \theta & \sin \theta \\- \sin \theta & - \cos \theta\end{array} \right]$$
E) ​ $$\left[ \begin{array} { l l } \cos \theta & - \sin \theta \\\sin \theta & - \cos \theta\end{array} \right]$$