Find the inverse the matrix (if it exists)given in`[(1, 0, 0),( 0,cosalpha ,sinalpha),(0, sinalpha, -cosalpha)]`

Explanation

To find the inverse of the matrix

\[
A = \begin{pmatrix}
1 & 0 & 0 \\
0 & \cos \alpha & \sin \alpha \\
0 & \sin \alpha & -\cos \alpha
\end{pmatrix}
...