🛠️ JEE➗ Maths

If \(A=\left[\begin{matrix}1 & −\sin \alpha \\ \sin \alpha & 1\end{matrix}\right]\) and \(B=\left[\begin{matrix}1 & −\si…

Q1

If \(A=\left[\begin{matrix}1 & −\sin \alpha \\ \sin \alpha & 1\end{matrix}\right]\) and \(B=\left[\begin{matrix}1 & −\sin \beta \\ \sin \beta & 1\end{matrix}\right]\), then the correct relation is

a

\({A}^{2}={B}^{2}\)

b

\(A+B=B−A\)

c

\(AB=BA\)

d

None of these

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