If F(x)=⎡⎢⎣cos x−sin x0sin xcos x0001⎤⎥⎦, then F(x).F(y)=
Question 48
x0×x0=x0÷x0 is true for all non-zero values of x.
IfA=⎡⎢⎣cos xsin x0−sin xcos x0001⎤⎥⎦=f(x), then A−1 is equal to