What is the determinant of the matrix (1000cosθsinθ0−sinθcosθ)\begin{pmatrix} 1 & 0 & 0 \\ 0 & \cos\theta & \sin\theta \\ 0 & -\sin\theta & \cos\theta \end{pmatrix}1000cosθ−sinθ0sinθcosθ?
111
000
cos2θ+sin2θ\cos^2\theta + \sin^2\thetacos2θ+sin2θ
Both a and c are correct