Seja !$ A = { \begin{bmatrix} 0\,\,\,\,\,\,\,\,\,\,3\,\,\,\,\,\,\,\,\,\,4\,\,\,\,\,\,\,\,\,\,\,2\\0\,\,\,cos( \theta)\,\,\,tg(-\theta)\,\,\,2\\0\,\,cos(-\theta)\,\,tg( - \theta)\,\,3\\1\,\,\,\,\,\,\,\,\,\,5\,\,\,\,\,\,\,\,\,\,1\,\,\,\,\,\,\,\,\,\,2 \end{bmatrix}} !$ . Qual o valor do determinante de !$ 2A^t A^{-1} !$?

Assinale a alternativa que responde CORRETAMENTE à questão acima.