defence exam Agniveer Army Technical Mock Test Series 2025 Mathematics Matrices Adjoint and Inverse of a Square Matrix
आव्यूह \(\left[ {\begin{array}{*{20}{c}} {\cos \theta }&{\sin \theta }\\ { - \sin \theta }&{\cos \theta } \end{array}} \right]\) का प्रतिलोम है
1
\(\left[ {\begin{array}{*{20}{c}} { - \cos \theta }&{\sin \theta }\\ {\sin \theta }&{\cos \theta } \end{array}} \right]\)
2
\(\left[ {\begin{array}{*{20}{c}} {\cos \theta }&{\sin \theta }\\ {\sin \theta }&{\cos \theta } \end{array}} \right]\)
3
\(\left[ {\begin{array}{*{20}{c}} {\cos \theta }&{ - \sin \theta }\\ { - \sin \theta }&{\cos \theta } \end{array}} \right]\)
4
\(\left[ {\begin{array}{*{20}{c}} {\cos \theta }&{ - \sin \theta }\\ {\sin \theta }&{\cos \theta } \end{array}} \right]\)