If \({\rm{\;A}} = \left[ {\begin{array}{*{20}{c}} 0&1\\ { - 1}&0 \end{array}} \right]\) and \({\rm{B}} = \left[ {\begin{array}{*{20}{c}} 1&0\\ 0&1 \end{array}} \right]\), then what is the value of the determinant of A cos θ – B sin θ?
1
- 1
2
0
3
1
4
2