0 votes 0 votes For the matrix $A=\begin{bmatrix} \cos\theta &-\sin\theta \\ \sin \theta & \cos\theta \end{bmatrix}$ if $\det$ stands for the determinant and $A^{T}$ is the transpose of $A$ then the value of $\det(A^{T}\:A)$ is _____________ Linear Algebra gate2018 numerical-answers linear-algebra matrices determinant + – gatecse asked Feb 20, 2018 • recategorized Mar 14, 2021 by Lakshman Bhaiya gatecse 1.4k points answer See all 0 reply