`|(cos theta,-sin theta),(sin theta, cos theta)|`

Verify that [(cos theta, sin theta),(-sin theta, cos theta)] and [(cos theta, - sin theta),(sin theta, cos theta)] are inverse of each other.

If A={:((cos theta,-sin theta),(sin theta, cos theta)):} prove that "AA"^(T)=I .

Find the distance between the points : (cos theta, sin theta), (sin theta, cos theta)

Find the distance between the points : (cos theta, sin theta), (sin theta, cos theta)

A=[(cos theta, -sin theta),(sin theta, cos theta)] and AB=BA=l , then B is equal to

Find the adjoint of each of the following matrices: [(cos theta, sin theta),(-sin theta, cos theta)]