IfA=⎡⎢⎣cos xsin x0−sin xcos x0001⎤⎥⎦=f(x), then A−1 is equal to

IfA=⎡⎢⎣cos xsin x0−sin xcos x0001⎤⎥⎦=f(x), then A−1 is

1.	IfA=⎡⎢⎣cos xsin x0−sin xcos x0001⎤⎥⎦=f(x), then A−1 is equal to
Answer» $I f A = ⎡ ⎢ ⎣ \begin{matrix} c o s x & s i n x & 0 - s i n x & c o s x & 0 0 & 0 & 1 \end{matrix} ⎤ ⎥ ⎦ = f (x), t h e n A^{- 1}$ is equal to