Q62
The eigen values of the matrix \[ [ array*20c & - \\ & array ]\] are
The eigen values of the matrix \left[ {\begin{array}{*{20}{c}}
{\cos \theta }&{ - \sin \theta } \\
{\sin \theta }&{\cos \theta }
\end{array}} \right] are
A.
when θ = 45°
B.
when θ = 30°
AnswerC.
±1 since, the matrix is unitary
D.
when θ = 30°
Answer: Option B
Solution
Answer: Option B
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