If \(m = \left[ {\begin{array}{*{20}{c}} 1&0\\ 0&1 \end{array}} \right]\) and \(n = \left[ {\begin{array}{*{20}{c}} 0&1\\ { - 1}&0 \end{array}} \right]\), then what is the value of the determinant of m cos θ – n sin θ?

If \(m = \left[ {\begin{array}{*{20}{c}} 1&0\\ 0&1 \end{array}} \right

1.	If \(m = \left[ {\begin{array}{{20}{c}} 1&0\\ 0&1 \end{array}} \right]\) and \(n = \left[ {\begin{array}{{20}{c}} 0&1\\ { - 1}&0 \end{array}} \right]\), then what is the value of the determinant of m cos θ – n sin θ?
A.	-1
B.	0
C.	1
D.	2
Answer» D. 2